Add missing license headers
diff --git a/base/src/main/java/org/apache/sling/performance/IdentifiableTestCase.java b/base/src/main/java/org/apache/sling/performance/IdentifiableTestCase.java
index cfae459..b6965da 100644
--- a/base/src/main/java/org/apache/sling/performance/IdentifiableTestCase.java
+++ b/base/src/main/java/org/apache/sling/performance/IdentifiableTestCase.java
@@ -1,3 +1,19 @@
+/*
+ * 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.sling.performance;
 
 /**
diff --git a/base/src/main/java/org/apache/sling/performance/IdentifiableTestClass.java b/base/src/main/java/org/apache/sling/performance/IdentifiableTestClass.java
index b7c78d0..6c3c033 100644
--- a/base/src/main/java/org/apache/sling/performance/IdentifiableTestClass.java
+++ b/base/src/main/java/org/apache/sling/performance/IdentifiableTestClass.java
@@ -1,3 +1,19 @@
+/*
+ * 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.sling.performance;
 
 /**
diff --git a/base/src/main/java/org/apache/sling/performance/ReportLogger.java b/base/src/main/java/org/apache/sling/performance/ReportLogger.java
index d93109b..8db09d6 100644
--- a/base/src/main/java/org/apache/sling/performance/ReportLogger.java
+++ b/base/src/main/java/org/apache/sling/performance/ReportLogger.java
@@ -1,3 +1,19 @@
+/*
+ * 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.sling.performance;
 
 import java.io.File;
@@ -424,4 +440,4 @@
         }
         return failures;
     }
-}
\ No newline at end of file
+}
diff --git a/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestFactory.java b/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestFactory.java
index b7341b3..0c03154 100644
--- a/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestFactory.java
+++ b/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestFactory.java
@@ -1,3 +1,19 @@
+/*
+ * 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.sling.performance.annotation;
 
 import java.lang.annotation.ElementType;
diff --git a/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestSuite.java b/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestSuite.java
index 54a1837..93a973e 100644
--- a/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestSuite.java
+++ b/base/src/main/java/org/apache/sling/performance/annotation/PerformanceTestSuite.java
@@ -1,3 +1,19 @@
+/*
+ * 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.sling.performance.annotation;
 
 import java.lang.annotation.Retention;