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

* upstream/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.
"clear dropdown option integrated for add resource,edit resource,add user uploaded resource and edit user uploaded resource popups"
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
UI refinements for Search and Spell Checker.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

* upstream/release-6.6.3.a1:
Merge pull request #2336 from anilgooru/release-6.6.3.a1

UI refinements for Search and Spell Checker.
search filters UI changes implemented
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2335 from sravanthi1/release-6.6.3.a1

"clear dropdown option integrated for add resource,edit resource and add user uploaded resource and edit user uploaded resource popups "
Merge pull request #2337 from ssushma/release-6.6.3.a1

Search Filter improvements implemented
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1