"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
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
Updated Privacy Policy

Updated Privacy Policy in details.
Merge pull request #30 from mitraj/release-6.2

The Class drop down list should stick to teach tab issue resolved
Merge pull request #31 from anilgooru/release-6.2

Updated Privacy Policy
Navigation Confirmation popup has implemented
when closing the player without submiting the openended question answer.
Merge pull request #32 from shivalinga/master

Navigation Confirmation popup has implemented
Displaying resource and question count for the collections : Implemented for more-info for resource and collection-resource players and resource-search more-info pages.