"removed unused comments"
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Expiring the gooru session token when a user is idle for 24 hours.
Merge pull request #28 from chandrasekharv/release-6.2

Expiring the gooru session token when a user is idle for 24 hours.
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
metadata UI and assets implementation for web resource in Collection-Edit
Merge pull request #29 from suryanarayanakb/release-6.2

Metadata UI and assets implementation for web resource in Collection-Edit
The Class drop down list should stick to teach tab issue resolved