Merge pull request #1927 from RavindderV/release-6.6.3.a1

Release 6.6.3.a1
WEB PDF urls will not have edit start page option as those pages count are not stored in BE.
Merge pull request #1928 from ssushma/release-6.6.3.a1

WEB PDF urls will not have edit start page option as those pages count a...
Merge pull request #1930 from RavindderV/release-6.6.3.a1

1.0.a [Player - Text] Typo: Info tab displays "Adds" instead of "Ads"
Folders: Added validations while user performing reorder operation.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #1931 from VinRudramurthy/release-6.6.3.a1

Folders: Added validations while user performing reorder operation.
Delete Class/Collection Pop-ups: "Please Delete Text" should be static implemented
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Folders: Displaying validation messaage while doing reorder.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #1934 from mitraj/release-6.6.3.a1

Delete Class/Collection Pop-ups: "Please Delete Text" should be static implemented
Merge pull request #1935 from VinRudramurthy/release-6.6.3.a1

Folders: Displaying validation message while doing reorder.
Folders: Added one more validation while doing reorder operation and added comments.
Merge pull request #1937 from VinRudramurthy/release-6.6.3.a1

Folders: Added one more validation while doing reorder operation and add...
"Browse Standards Tooltip Changes implemented in collection edit"
"TOolTip implemented for Standards Browse"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #1939 from sravanthi1/release-6.6.3.a1

"Browse Standards Tooltip Changes implemented in collection edit"
1.0 [My Collections] Thumbnail image issues for Youtube + Edit Resoruce + Exisiting Resource