Tag OER for resource - Reverted the code.
If users are blocked error msg is shown.
Update Progress bar on assign and deleting assignment.
Merge pull request #537 from VinRudramurthy/dev-branch

Tag OER for resource - Reverted the code.
Merge pull request #538 from anilgooru/dev-branch

Update Progress bar on assign and deleting assignment.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/classpages/edit/EditClasspageView.java