[Project Cleanup] Cleaned up project folders.

Details:
1. Removed obsolete images from Images folder. Removed obsolete test pages, mp3, responsdumps from CZ.UI root.
2. Renamed NewScripts->scripts, NewStyles->css, moved controls to ui folder.
3. Removed Authoring, ChronoZoom.Azure, ChronoZoom.Database, ThumbGen directories from Source.
4. Renamed Images to images. Updated few refs to images in UI. Removed few obsolete files from CZ.UI that were not included in solution.
5. Renamed all files using "foo-bar" naming convention.
6. Removed /Account/*, /FedarationMetadata/* which were not included in project.
7. Removed /Models/*, /Views/*, cleaned /Controllers/* and /Dumps/*. Removed few unused files.
8. Migrated from CSS to LESS. Renamed cz2.html to cz.html.