Updated interim codebase for Sprint 1 and 2

Completed work on following,
1. Display gallery items
a. Publically shared items will be displayed
b. If configured group is not public Identity manager will be invoked
before displaying the gallery items
2. Sign in to view private contents
3. Pagination for gallery items
4. Switch between List and Grid gallery layouts
5. Apply Category and Geography filters on gallery results
6. Auto complete for search – Searching the term within the gallery will
be implemented in Sprint 3
7. Incorporated feedback on previous sprint
a. Using Icon fonts instead of images
b. Fixes for following
i. Consistent font sizes across application
ii. Change text 'Reset Filter' to 'Clear Filter'
Adjust Font sizes for tag cloud – smallest is default for application
then increase based on number of occurrences