More changes on content meta data
Added support to store the  multiple answer
Merge pull request #127 from cyrilraja/master

*Fixed DO-1128 Complete Registration and reset password email does not g...
Merge pull request #128 from skpcharles/master

More changes on content meta data
Merge pull request #129 from sheebans/master

Added support to store the  multiple answer
*DO-4271 6.2 QA [Teach] Assinged collection does not show in Class