Added cache support for getCollection API
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
Merge pull request #759 from yamunaBQ/master

Added Key validation for Redis
Fixed DO-6008(1.0.c www [Player, Library] Ratings not consistent in library and collection view for some resources).
Merge remote-tracking branch 'gooru/master'
Merge pull request #764 from saravanab/master

Fixed DO-6008(1.0.c www [Player, Library] Ratings not consistent in library and collection view for some resources).
Merge remote-tracking branch 'gooru/master'
added fix for slow query issue in parallel
Merge pull request #766 from skpcharles/master

added fix for slow query issue in collection delete API
Merge pull request #765 from yamunaBQ/master

Fixed issue in countryRestv2Controller
added logger and removed the sitemesh
Merge pull request #767 from sheebans/master

added logger and removed the sitemesh
Fixed CORE-2106 server side events issue for CollectionRestv2Controller