ignore temp files on mac os

Author: HaiJun Liu

.gitignore

@@ -1,28 +1,49 @@
-*.class
-test-output
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.ear
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-
-target
-bin
-.project
-.classpath
-.settings
-
-sw-pom.xml
-*.iml
-test-config.xml
-.idea
-/.gradle/
-/gradle/
-*.bat
-/gradlew
+*.class
+test-output
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+target
+bin
+.project
+.classpath
+.settings
+
+sw-pom.xml
+*.iml
+test-config.xml
+.idea
+/.gradle/
+/gradle/
+*.bat
+/gradlew
+
+# OSX
+# Icon must end with two \r
+Icon
+
+
+._*
+.DS_Store
+.AppleDouble
+.LSOverride
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk