Split up UmpleSync_Code into files in sync directory

git-svn-id: http://umple.googlecode.com/svn/trunk@4265 6ebf9d09-8eb1-0036-9d08-68c07d1b990a
Reverting r4265

git-svn-id: http://umple.googlecode.com/svn/trunk@4266 6ebf9d09-8eb1-0036-9d08-68c07d1b990a