Merge pull request #854 from kedar2a/mongokit-dev

Removed common code for listing cards of diff types in each tab to generic template file_list_tab.html
Bug resolved in new template added
Merge pull request #855 from sunnychaudhari/collection

Bug resolved in new template added
browse_resource.py url renamed as e-library.py
browse_topic.py url renamed as topics.py
browse_resource.py view renamed as e-library.py
browse_topic.py view renamed as topics.py
Renamed the browse topic ST as 'Topics'
condition added to rename the existing browse topic & browse resource ST
condition modified according to 'E-Library' as app name
url modified to edit the theme items in tree hierarchy
urls modified which redirects to 'Topics' & 'E-Library'
'Topics' & 'E-Library' included in GAPPS list
Browse Topic & Browse Resource renamed as Topics & E-Library respectively
Merge pull request #856 from sunnychaudhari/collection

Browse Topic & Browse Resource renamed as 'Topics' & 'E-Library' respectively
video and pandora_video thumbnails are visible in collection drawers
collection_list variable is removed from ajax call to navigate each radio buttons in collection
group_set value added for populating pandora videos in get_drawers
Merge pull request #857 from sunnychaudhari/collection

Video thumbnails are visible in collection widget
SEnding page_info variable for pagination