fixed post-install BEDOPS OS X installer scripts

git-svn-id: http://bedops.googlecode.com/svn/trunk@1634 e06f2406-07f2-75ea-cce5-9db217a01b16
updated OS X package

git-svn-id: http://bedops.googlecode.com/svn/trunk@1635 e06f2406-07f2-75ea-cce5-9db217a01b16
Merge remote-tracking branch 'upstream'