Update git ignore

Author: Brad Chen

Diff for: .gitignore

@@ -1,3 +1,6 @@
+# Local configuration file (sdk path, etc)
+log4j.properties
+
 # Compiled class file
 *.class
 
@@ -13,11 +16,47 @@
 # Package Files #
 *.jar
 *.war
-*.nar
 *.ear
 *.zip
 *.tar.gz
 *.rar
 
+# Built application files  
+*.apk  
+*.ap_ 
+
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+# ignore IDE
+bin/
+proguard/
+.project
+.classpath
+.settings
+.metadata
+.factorypath
+.idea
+*.iml
+
+# ignore Maven generated target
+target/
+build/
+release.properties
+*.releaseBackup
+
+## .gitignore for windows
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+## .gitignore for mac os x
+
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon