Merge pull request #2410 from mitraj/release-6.6.3.a1

Clicking on stars in the ratings filter the check box is not getting selected issue resolved
"1.2 QA [My Collections] - In edit info of you tube resource the navigation arrows to the thumbnail image is displayed even though there are no more images to generate  Fixed and YouTube image issue resolved"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2411 from sravanthi1/release-6.6.3.a1

1.2 QA [My Collections] - In edit info of you tube resource the navigation arrows to the thumbnail image is displayed even though there are no more images to generate Fixed and Youtube image issue resolved.
"Clearing the slots and panels"
Standards highlighting issue resolved
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2412 from ssushma/release-6.6.3.a1

Standards highlighting issue resolved in logged out scenario
"1.2 QA UI [My Collection] Drop down triangle should be in blue color Fixed."
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2413 from sravanthi1/release-6.6.3.a1

1.2 QA UI [My Collection] Drop down triangle should be in blue color Fixed.
"Clearing the panels"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2415 from suryanarayanakb/release-6.6.3.a1

Clearing the slots and panels
Search filters ratings issue resolved
Merge pull request #2417 from ssushma/release-6.6.3.a1

Search filters ratings issue resolved
Added publisher, author, accessmode and aggregator filters