Merge pull request #1556 from anilgooru/release-6.6.3.a1

changed from visible to visibility (css)
Merge pull request #1570 from Gooru/release-6.6.3.a1

Release 6.6.3.a1
Merge pull request #1585 from Gooru/release-6.6.3.a1

Release 6.6.3.a1
Merge pull request #1629 from Gooru/release-6.6.3.a1

Remove beta for FE and change fav icon.
Merge pull request #1638 from Gooru/release-6.6.3.a1

Updated from image to icon.
Merge pull request #1652 from Gooru/release-6.6.3.a1

Updated from icon to png image.
Merge pull request #1803 from Gooru/release-6.6.3.a1

Release 6.6.3.a1
Merge pull request #1814 from Gooru/release-6.6.3.a1

Issues for new library resolved
Merge pull request #1855 from Gooru/release-6.6.3.a1

TIPCAL library integrated
Merge pull request #1860 from Gooru/release-6.6.3.a1

UI Alignment issue resolved
Merge pull request #1874 from Gooru/release-6.6.3.a1

Disabled Mixpanel....
Merge pull request #1891 from Gooru/release-6.6.3.a1

View count update API call commented from FE
Implemented select dropdown issues in CollectionInfo page and Assign page
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
"Browse standards functionlity implemented for Add Question Popup"
Merge pull request #1923 from VinRudramurthy/release-6.6.3.a1

Folders: Added click handler for down arrow and changing the positions and added comments.
Merge pull request #1924 from mitraj/release-6.6.3.a1

 Implemented select dropdown issues in CollectionInfo page and Assign page
Merge pull request #1925 from sravanthi1/release-6.6.3.a1

"Browse standards functionlity implemented for Edit Question Popup"
6.6.a [My Collections] Copy error verbiage is not correct when user tries to copy a resource to a folder
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1