Add latest 10.8.3 plist files, which only update the version.
Merge branch 'master' of github.com:lksoft/MailMessageUUIDs

* 'master' of github.com:lksoft/MailMessageUUIDs:
  Forgot to make the checkout quiet
  Update script to checkout the master branch.
  Added plists from the 2 10.8.3 pre-release versions

Conflicts:
	PlistFolder/10.8.3-Mail-Info.plist
	PlistFolder/10.8.3-Message-Info.plist