initialize git

Change-Id: I4f40f67254672ef1b2d585cba8eac69247a3b82f
modify on test branch

Change-Id: I72d2a30d28b5af510a15ef4e5d45aa77ef68c727
modify on master

Change-Id: I6f524b2e4338d9054d19cb760c8feaee37ebc6ad
merget my commit

Change-Id: I8d7f922664e539c72310dc05f0dd5039e6df9f1f
Merge branch 'master' of https://github.com/jowu598/workspace