Responsive HTML 5 and better looks

* Using Bootstrap 2, made changes to the overall look of the
  Pubby, it now incorporates a Responsive Design and makes the whole look
  appear much cleaner and visually appealing.
* The Velocity Macros have been updated to include the new CSS files and
  the structure has been modified.
* The whole structure has been made responsive and can now be viewed in
  Tablets, Mobile.
* A link to the main image being displayed is provided.
* Cosmetic Changes
* Hovering on table rows to highlight content being read
Merge changes from master
Merge branch 'master' into pull-animesh
Cleanup of new layout code

* Moved back link out of header again; needs more work
* Remove rid of author/description meta tag in header
* Dress up the new Configuration Error page in a bootstrappy look
* Fix whitespace, indentation, etc.
Major revision of the Bootstrap-based new layout
Adapt metadata tables to new layout
Fix blank node counter in metadata tables
Improved JS using jQuery
Display classes as "tags", small layout changes
Show types for anonymous resources as tags above the resource
Merge remote-tracking branch 'upstream/feature-bootstrap'