replace default bootstrap icons (image based) with 'elusive-icons' svg font based
improved deepZoom fallback: 1. flash > 2. seadragon.js > 3. regular image
OpenZoomViewer.swf flash file
put dataset status and actions inside a well for visual contrast
fix tooltip hover for dataset filter help
hide expert action 'unlock' when dataset state is  'unlocked'
add icon-dashboard to administration link
use var for container references
Merge pull request #777 from delving/13.01-hub-improvements

13.01 hub improvements