Added fix for getStandards API
Merge pull request #431 from skpcharles/master

Added fix for getStandards API
Merge remote-tracking branch 'gooru/master'
Added support to save content stas data from cassandra to resource page
Merge remote-tracking branch 'gooru/master'
Merge pull request #432 from parthibane/master

Added support to save content statistics data to cassandra - CORE-137
Merge remote-tracking branch 'gooru/master'
*Fixed item.rate event log issue