Catalog updates and cleanup

git-svn-id: http://instadmg.googlecode.com/svn/trunk@480 1c3b0b9f-8c52-0410-a063-7121983eb4f7
Adding Security Update 2013-003

git-svn-id: http://instadmg.googlecode.com/svn/trunk@481 1c3b0b9f-8c52-0410-a063-7121983eb4f7
Updating to AirPort Utility 6.3.1

git-svn-id: http://instadmg.googlecode.com/svn/trunk@482 1c3b0b9f-8c52-0410-a063-7121983eb4f7