Merge pull request #2498 from ssushma/release-6.6.3.a1

download issue for save
Implemented issue with role name : "content_admin" (content admin).
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

* upstream/release-6.6.3.a1:
  download issue for save
  "Resource count mismatch done"
  Standards clear option implemented.
  Null pointer exceptions has been handled in item.load event.
  "changed css for print alignment"
  " Changed the play to pay"
  Grades and standards clear implemented
  "FE default image broken issue fixed"
  "FE default image broken issue fixed"
  Ratings filter refresh issue resolved
  "save functionality changes done"
  Changes for file download
  "Save function done"
  Implemented media scripts.
  "Changes made from the response ui branch"
  "Changes made from the response ui branch"
  Higher ed filter deselection issue resolved
Merge pull request #2499 from anilgooru/release-6.6.3.a1

Implemented issue with role name : "content_admin" (content admin).
"Changes made for displaying the cursor icon and messages"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2501 from suryanarayanakb/release-6.6.3.a1

Changes made for displaying the cursor icon and messages
"clearing the frames and changed the question count"
"changed the print element"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2505 from suryanarayanakb/release-6.6.3.a1

Changed the print element
"Added thumbnail in the player service"
Merge pull request #2506 from suryanarayanakb/release-6.6.3.a1

Added thumbnail in the player service
Calling review API twice issue has been fixed.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2509 from shivalinga/release-6.6.3.a1

Calling review API twice issue has been fixed.
Calling review API twice issue has been fixed.
Merge pull request #2512 from shivalinga/release-6.6.3.a1

Calling review API twice issue has been fixed.
Withdraw button enabled irrespective of private and public classes