Merge pull request #101 from nutan-gooru/release-6.2

reverted code for OER filter
Privacy Policy some text updates
Merge pull request #102 from mitraj/release-6.2

Privacy Policy some text updates
fixed Already Exists popup is not showing while add same url on "Add Resource"
Merge branch 'release-6.2' of https://github.com/Gooru/Gooru-Web into release-6.2