Merge pull request #2747 from bamapookie/patch-2

JetBrains: Optional excludes for auto-import

Global/JetBrains.gitignore

@@ -21,6 +21,14 @@
 .idea/**/gradle.xml
 .idea/**/libraries
 
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+
 # CMake
 cmake-build-*/