Added comments.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

* upstream/release-6.6.3.a1:
UI Changes implemented for search filters
"Added the loding image and collection progress scroll move with navigation buttons"
Merge pull request #2331 from ssushma/release-6.6.3.a1

UI Changes implemented for search filters
Merge pull request #2332 from suryanarayanakb/release-6.6.3.a1

"Added the loding image and collection progress scroll move with navigate"
"added the left and right images"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2333 from suryanarayanakb/release-6.6.3.a1

"Added images"
DO-6076 : [My Collection] When I add a question to my collection, it refreshes the ENTIRE page, not just the edit collection screen - Implemented.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

* upstream/release-6.6.3.a1:
  "added the left and right images"
  "Added the loding image and collection progress scroll move with navigation buttons"
  UI Changes implemented for search filters
  Implemented comments data logging
  Search Pre-Filters: Issue rectified with subjects and grades check box selection.
  "Advanced options updated for edit resource popup"
  "Advanced Options changes updated in edit resource,file upload,edit file upload popups"
  "displaying the no data message if the collection is not played by student"
  Filters enabled on search page after checkbox selection for category and grades
  Collection players: Issue rectified while commenting with hyper links.
  "handling the collection drop down on change"
  Tabs alignment issue fixed
Merge pull request #2334 from anilgooru/release-6.6.3.a1

DO-6076 : [My Collection] When I add a question to my collection, it refreshes the ENTIRE page, not just the edit collection screen - Implemented.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1