Moved Window to top position on loading.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Concepts and lesson array changes implemented for library.
  Fixed  Change Mobile Friendly Tag
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Fixed click on Share or Remix, background revert to Community landing
  DO-4669 issue has been fixed.
  "Implemented Nostudents,NoAssignment class ui."
  callback parameter changed to <callBackUrl>
  callback parameter changed to <callBackUrl>
  Opened the library page from top.
  Moving narration button top story has been implemented.
  Multiple courses not updating issue - Resolved
Added Ellipsis for folder titles.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  callcallback parameter changed to <callBackUrl>
Merge pull request #1246 from nutan-gooru/dev-branch

Fixed for gmail connect click on Share or Remix, background revert to…
Added important for last line.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Fixed for gmail connect click on Share or Remix, background revert to Community landing
Merge pull request #1247 from anilgooru/dev-branch

UI Fixes
"Modified and added new static text in MessageProperties file"
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Handled null at class pages.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
DO-5203 issue has been fixed.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1249 from VinRudramurthy/dev-branch

Handled null at class pages.
Merge pull request #1248 from mitraj/dev-branch

Modified and added new static text in MessageProperties file
Merge pull request #1250 from shivalinga/dev-branch

DO-5203 issue has been fixed.
Added New images for no-assignment classpage.