Re-factor part 2, renamed classes so atom binding class names all at least contain Atom and browser binding class names start with CMISBrowser. Also moved several classes that were in the wrong location.

git-svn-id: https://svn.apache.org/repos/asf/chemistry/objectivecmis/branches/browser-binding@1591879 13f79535-47bb-0310-9956-ffa450edef68