More changes on collection meta association
Merge pull request #119 from skpcharles/master

More changes on collection meta association
Added support to CORE-849
updated changes to task CORE-849(Thumbnail JSON response null value issue).
Merge pull request #120 from saravanab/master

Added support to CORE-849
Merge remote-tracking branch 'gooru/master'
*CORE-769 set youtubeimage in url for youtube video