Fixed : UI fixes
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  set selected styles
  pathway api added optimized
  fixed css issue
  class page error has been fixed.
  "units selection functionality implemented"
  Initial comit for Unit SetUp widget and added Ptag class for GWT.
  Assignment view conversion has been completed.
  "classpage units functionality added."
  "Edit class page css modified. "
Merge pull request #1537 from anilgooru/dev-branch

Fixed : UI fixes