commit only modified files

git-svn-id: https://plugins.svn.wordpress.org/jumpout/trunk@1005649 b8457f37-d9ea-0310-8a92-e5e31aec5664
magicbegins support

git-svn-id: https://plugins.svn.wordpress.org/jumpout/trunk@1005650 b8457f37-d9ea-0310-8a92-e5e31aec5664