Moved atom pub specific media types back to CMISAtomPubConstants class, converted the category method declared in CMISURLUtils to a private helper method and renamed the get**Url methods in CMISBrowserBaseService to follow Apple recommendations.

git-svn-id: https://svn.apache.org/repos/asf/chemistry/objectivecmis/branches/browser-binding@1592693 13f79535-47bb-0310-9956-ffa450edef68