Class Code text changed to Uppercase.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Enabled edit option for reviews and resolved issues related to the same.
  1.Added sequence numbers to class items. 2.update assignment status(mark as green or mark as blue)   functionality has implemented.
  "Publish: Updated message properties and added Confirmation Popup."
  Changed the key value pair for tagging OER.
Merge pull request #508 from anilgooru/dev-branch

Class Code text changed to Uppercase.