#111 fixed missing license headers
diff --git a/.gitignore b/.gitignore
index 32ccf02..d909334 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,8 +21,11 @@
[Bb]in/
[Oo]bj/
-# Visual Studio 2015 cache/options directory
+# Visual Studio cache/options directory
.vs/
+src
+/.vs/
+examples/.vs/
# Uncomment if you have tasks that create the project's static files in wwwroot
#wwwroot/
diff --git a/rat.excludesFile b/rat.excludesFile
index ffffc78..32ca3fb 100644
--- a/rat.excludesFile
+++ b/rat.excludesFile
@@ -1,5 +1,7 @@
rat.excludesFile
+.editorconfig
**/*.suo
+**/*.sln
**/*.user
**/*.yml
**/*.yaml
@@ -13,6 +15,7 @@
**/*.config
**/*.log
**/*.targets
+**/*.bin
**/GeneratedAssemblyInfo.cs
**/obj/**
**/bin/**
@@ -22,5 +25,6 @@
src/.idea/**
src/integration-testing/**
build/**
+build-tools/**
doc/**
src/site/**
\ No newline at end of file
diff --git a/src/log4net.Tests/NUnitTestRunnerInitializer.cs b/src/log4net.Tests/NUnitTestRunnerInitializer.cs
index 08b4215..5d3d8bc 100644
--- a/src/log4net.Tests/NUnitTestRunnerInitializer.cs
+++ b/src/log4net.Tests/NUnitTestRunnerInitializer.cs
@@ -1,4 +1,23 @@
-namespace log4net.Tests
+#region Apache License
+//
+// 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.
+//
+#endregion
+
+namespace log4net.Tests
{
using System.IO;
diff --git a/src/log4net.Tests/Signing.cs b/src/log4net.Tests/Signing.cs
index 6716b8c..0bf4e95 100644
--- a/src/log4net.Tests/Signing.cs
+++ b/src/log4net.Tests/Signing.cs
@@ -1,4 +1,23 @@
-using log4net.Repository;
+#region Apache License
+//
+// 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.
+//
+#endregion
+
+using log4net.Repository;
using NUnit.Framework;
namespace log4net.Tests
diff --git a/src/log4net/Core/FixFlags.cs b/src/log4net/Core/FixFlags.cs
index 1853f44..3508730 100644
--- a/src/log4net/Core/FixFlags.cs
+++ b/src/log4net/Core/FixFlags.cs
@@ -1,4 +1,23 @@
-using System;
+#region Apache License
+//
+// 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.
+//
+#endregion
+
+using System;
namespace log4net.Core
{
diff --git a/src/log4net/Layout/Internal/XmlWriterExtensions.cs b/src/log4net/Layout/Internal/XmlWriterExtensions.cs
index c57a1b3..48294a4 100644
--- a/src/log4net/Layout/Internal/XmlWriterExtensions.cs
+++ b/src/log4net/Layout/Internal/XmlWriterExtensions.cs
@@ -1,4 +1,23 @@
-using System.IO;
+#region Apache License
+//
+// 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.
+//
+#endregion
+
+using System.IO;
using System.Xml;
using log4net.Util;
