"removed unused comments"
Comments added for Ratings in server package.
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Merge pull request #19 from VinRudramurthy/release-6.1.5

Comments added for Ratings in server package.
Merge pull request #20 from nutan-gooru/release-6.2

Release 6.2
Hiding TEKS standards library for logged out users implemented
Merge pull request #21 from chandrasekharv/release-6.2

Hiding TEKS standards library for logged out users implemented
Fixed Stories:
1.Added support to add Multiple answers question as resource.
2.Added support to play Multiple answers question in player.
Navigation confirmation functionality partilay impletmented
Merge branch 'master' of https://github.com/shivalinga/Gooru-Web into release-6.1.5
Merge branch 'release-6.2' of https://github.com/Gooru/Gooru-Web into release-6.1.5
"[Search - OER] We should have a resource filter for OER resources"
Added new arrow image for Primary and secondary information toggle feature.
UI design integrated for the new Collection Edit metadata fields
UI design integrated for the new Collection Edit metadata fields - Toggle Arrow image handled, on different scenarios to navigate back and forth.
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Teacher Tip Functionality added under Share tab
Merge pull request #22 from mitraj/release-6.2

"[Search - OER] We should have a resource filter for OER resources"
Merge pull request #23 from ssushma/release-6.2

UI design integrated for the new collection info meta data fields.