Merge remote-tracking branch 'gooru/master'
Added Fix session token Null pointer issue when user connect from  gmail connect
added support for taxonomy update in question create
Merge pull request #141 from skpcharles/master

added support for taxonomy update in question create
Merge pull request #142 from sheebans/master

Added Fix session token Null pointer issue when user sign in  from gmail
Merge pull request #143 from vksvenkat/master

Logged in students who have visited a Class, should not automatically be added to the Pending list
removed grade , course and teacher tips logic in copy collection
Merge pull request #144 from skpcharles/master

removed grade , course and teacher tips logic in copy collection
collection meta data implemented
Merge pull request #145 from kadhireshg/master

collection meta data implemented
Changed the method type in update taxonomy API
Merge pull request #146 from skpcharles/master

Changed the method type in update taxonomy API
added fix for the gmail reindex issue
Merge pull request #147 from sheebans/master

added fix for the gmail reindex issue
*DO-4344 Youtube thumbnails display in player but not in library view
*more changes on DO-4344
Added fix for Assigned collection is not displayed in class for Collaborators issue
Merge pull request #148 from cyrilraja/master

*DO-4344 Youtube thumbnails display in player but not in library view
Merge pull request #149 from skpcharles/master

Added fix for Assigned collection is not displayed in class for Collabor...
included the standards in question update json response