Merge pull request #105 from cyrilraja/master

Fixed DO-4151 displaying multiple email address in to address
CORE-738 - getResourceSourceAttribution() added
CORE-738 - Changed variable name
Merge pull request #106 from rishwanthavr/master

CORE-738 - getResourceSourceAttribution() added
Added fix for Auto-complete for standards not showing
Merge remote-tracking branch 'gooru/master'
Added NPE in getcollection standard API
Merge pull request #107 from skpcharles/master

Added fix for Auto-complete for standards not showing
CORE-738 - select query updated
CORE-759 provided
API support for download pdf for collection summary data
Fixed obejective level rendering
Fixed objection level rendering for top level standard
Merge pull request #108 from rishwanthavr/master

CORE-738 - select query updated
added fix for - http://collab.ednovo.org/jira/browse/DO-4187
Merge branch 'master' of https://github.com/Gooru/Gooru-Core-API
Added new method for get standard values from redis
Provided support assign collection to multiple class
Merge pull request #109 from sheebans/master

Provided support  for assign collection to multiple class
Core 779 Added folder metadata
Added fix for DO-4206