reverted code for OER filter
Merge pull request #101 from nutan-gooru/release-6.2

reverted code for OER filter
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Merge pull request #102 from mitraj/release-6.2

Privacy Policy some text updates
Default image issue resolved in resource search
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2