Missing ASF headers
diff --git a/src/main/java/org/apache/gossip/model/ActiveGossipMessage.java b/src/main/java/org/apache/gossip/model/ActiveGossipMessage.java
index 1927371..438f42a 100644
--- a/src/main/java/org/apache/gossip/model/ActiveGossipMessage.java
+++ b/src/main/java/org/apache/gossip/model/ActiveGossipMessage.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 import java.util.ArrayList;
diff --git a/src/main/java/org/apache/gossip/model/Base.java b/src/main/java/org/apache/gossip/model/Base.java
index 2bbb7af..92b38cd 100644
--- a/src/main/java/org/apache/gossip/model/Base.java
+++ b/src/main/java/org/apache/gossip/model/Base.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 import org.apache.gossip.udp.UdpActiveGossipMessage;
diff --git a/src/main/java/org/apache/gossip/model/GossipDataMessage.java b/src/main/java/org/apache/gossip/model/GossipDataMessage.java
index 835c668..e9aae61 100644
--- a/src/main/java/org/apache/gossip/model/GossipDataMessage.java
+++ b/src/main/java/org/apache/gossip/model/GossipDataMessage.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 public class GossipDataMessage extends Base {
diff --git a/src/main/java/org/apache/gossip/model/GossipMember.java b/src/main/java/org/apache/gossip/model/GossipMember.java
index 413ab71..03ec13d 100644
--- a/src/main/java/org/apache/gossip/model/GossipMember.java
+++ b/src/main/java/org/apache/gossip/model/GossipMember.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 public class GossipMember {
diff --git a/src/main/java/org/apache/gossip/model/Message.java b/src/main/java/org/apache/gossip/model/Message.java
index 5eb59fa..f6ed813 100644
--- a/src/main/java/org/apache/gossip/model/Message.java
+++ b/src/main/java/org/apache/gossip/model/Message.java
@@ -1,5 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
-public class Message extends Base{
+public class Message extends Base {
 
 }
diff --git a/src/main/java/org/apache/gossip/model/NotAMemberFault.java b/src/main/java/org/apache/gossip/model/NotAMemberFault.java
index e7badc1..21ffb07 100644
--- a/src/main/java/org/apache/gossip/model/NotAMemberFault.java
+++ b/src/main/java/org/apache/gossip/model/NotAMemberFault.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 public class NotAMemberFault extends Fault {
diff --git a/src/main/java/org/apache/gossip/model/Response.java b/src/main/java/org/apache/gossip/model/Response.java
index ab46b48..b3eef77 100644
--- a/src/main/java/org/apache/gossip/model/Response.java
+++ b/src/main/java/org/apache/gossip/model/Response.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 public abstract class Response extends Base {
diff --git a/src/main/java/org/apache/gossip/model/SharedGossipDataMessage.java b/src/main/java/org/apache/gossip/model/SharedGossipDataMessage.java
index bac9ddf..dc80f05 100644
--- a/src/main/java/org/apache/gossip/model/SharedGossipDataMessage.java
+++ b/src/main/java/org/apache/gossip/model/SharedGossipDataMessage.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.model;
 
 public class SharedGossipDataMessage extends Base {
diff --git a/src/main/java/org/apache/gossip/udp/Trackable.java b/src/main/java/org/apache/gossip/udp/Trackable.java
index e76e2c3..9ecc7f2 100644
--- a/src/main/java/org/apache/gossip/udp/Trackable.java
+++ b/src/main/java/org/apache/gossip/udp/Trackable.java
@@ -1,13 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.udp;
 
 public interface Trackable {
 
-  public String getUriFrom();
+  String getUriFrom();
   
-  public void setUriFrom(String uriFrom);
+  void setUriFrom(String uriFrom);
   
-  public String getUuid();
+  String getUuid();
   
-  public void setUuid(String uuid);
+  void setUuid(String uuid);
   
 }
diff --git a/src/main/java/org/apache/gossip/udp/UdpActiveGossipMessage.java b/src/main/java/org/apache/gossip/udp/UdpActiveGossipMessage.java
index 1532294..424d1ca 100644
--- a/src/main/java/org/apache/gossip/udp/UdpActiveGossipMessage.java
+++ b/src/main/java/org/apache/gossip/udp/UdpActiveGossipMessage.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.udp;
 
 import org.apache.gossip.model.ActiveGossipMessage;
diff --git a/src/main/java/org/apache/gossip/udp/UdpActiveGossipOk.java b/src/main/java/org/apache/gossip/udp/UdpActiveGossipOk.java
index 119bc50..b70bb69 100644
--- a/src/main/java/org/apache/gossip/udp/UdpActiveGossipOk.java
+++ b/src/main/java/org/apache/gossip/udp/UdpActiveGossipOk.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.udp;
 
 import org.apache.gossip.model.ActiveGossipOk;
diff --git a/src/main/java/org/apache/gossip/udp/UdpGossipDataMessage.java b/src/main/java/org/apache/gossip/udp/UdpGossipDataMessage.java
index 2ee4bbf..f2042a5 100644
--- a/src/main/java/org/apache/gossip/udp/UdpGossipDataMessage.java
+++ b/src/main/java/org/apache/gossip/udp/UdpGossipDataMessage.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.udp;
 
 import org.apache.gossip.model.GossipDataMessage;
diff --git a/src/main/java/org/apache/gossip/udp/UdpNotAMemberFault.java b/src/main/java/org/apache/gossip/udp/UdpNotAMemberFault.java
index 7b4d5ba..7afcb87 100644
--- a/src/main/java/org/apache/gossip/udp/UdpNotAMemberFault.java
+++ b/src/main/java/org/apache/gossip/udp/UdpNotAMemberFault.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.udp;
 
 import org.apache.gossip.model.NotAMemberFault;
diff --git a/src/main/java/org/apache/gossip/udp/UdpSharedGossipDataMessage.java b/src/main/java/org/apache/gossip/udp/UdpSharedGossipDataMessage.java
index cb99759..ba8e735 100644
--- a/src/main/java/org/apache/gossip/udp/UdpSharedGossipDataMessage.java
+++ b/src/main/java/org/apache/gossip/udp/UdpSharedGossipDataMessage.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.udp;
 
 import org.apache.gossip.model.SharedGossipDataMessage;
diff --git a/src/test/java/org/apache/gossip/DataTest.java b/src/test/java/org/apache/gossip/DataTest.java
index 4909bf8..d3babf6 100644
--- a/src/test/java/org/apache/gossip/DataTest.java
+++ b/src/test/java/org/apache/gossip/DataTest.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip;
 
 import java.net.URI;
diff --git a/src/test/java/org/apache/gossip/StartupSettingsTest.java b/src/test/java/org/apache/gossip/StartupSettingsTest.java
index 3b62836..55c297b 100644
--- a/src/test/java/org/apache/gossip/StartupSettingsTest.java
+++ b/src/test/java/org/apache/gossip/StartupSettingsTest.java
@@ -22,7 +22,6 @@
 
 import io.teknek.tunit.TUnit;
 
-import org.junit.After;
 import org.junit.jupiter.api.Test;
 
 import java.io.File;
diff --git a/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java b/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
index e72ec67..b663a6e 100644
--- a/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
+++ b/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
@@ -33,7 +33,6 @@
 
 import org.apache.gossip.event.GossipListener;
 import org.apache.gossip.event.GossipState;
-import org.junit.After;
 import org.junit.jupiter.api.Test;
 
 @RunWith(JUnitPlatform.class)
diff --git a/src/test/java/org/apache/gossip/manager/DataReaperTest.java b/src/test/java/org/apache/gossip/manager/DataReaperTest.java
index d0164b1..d19c802 100644
--- a/src/test/java/org/apache/gossip/manager/DataReaperTest.java
+++ b/src/test/java/org/apache/gossip/manager/DataReaperTest.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.gossip.manager;
 
 import java.net.URI;