Folders: Implemented tooltip for both top and bottom reorder buttons.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Folders: Added top arrow image for folder reorder.
Merge pull request #2082 from VinRudramurthy/release-6.6.3.a1

Folders: Implemented tooltip for both top and bottom reorder buttons and added top arrow.