.gitignore fine tuning for gradle. Limit existing patterns.

.gitignore

@@ -7,19 +7,18 @@
 /gh-pages
 /ideaSDK
 /android-studio/sdk
-out
+/out
-tmp
+/tmp
 workspace.xml
 *.versionsBackup
 /idea/testData/debugger/tinyApp/classes*
 /jps-plugin/testData/kannotator
-ultimate/.DS_Store
+/ultimate/dependencies
-ultimate/.idea/shelf
+/ultimate/ideaSDK
-ultimate/dependencies
+/ultimate/out
-ultimate/ideaSDK
+/ultimate/tmp
-ultimate/out
+/js/js.translator/testData/**/out/
-ultimate/tmp
+.gradle/
-ultimate/workspace.xml
+build/
-ultimate/*.versionsBackup
+!**/src/**/build
-.gradle
+
-build