Added no assessment error message.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Assessment Question type buttons has been added.
Merge pull request #2218 from shivalinga/release-6.6.3.a1

Assessment Question type buttons has been added.
Search: Implemented tags tab for resource search results.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2220 from VinRudramurthy/release-6.6.3.a1

Search: Implemented tags tab for resource search results.
Create collection api changed to V2 api