Finished (html) refactoring and html5/css validation for all public item viewers

Newspapers now show their data created/issued in the title bar
Newspapers in Multi-Volume (All Issues) view now show date as the final node in the tree
Private/Dark items now appear in the tree view of Multi-Volume (All Issues)
Merge branch 'master' of github.com:MarkVSullivan/SobekCM-Web-Application