added try and catch block for invite user class mail logic
Added last modified date support in class member join
Updated few more changes to CORE-433
*more changes on core-648 removed existing eventlogs from create collection
Merge remote-tracking branch 'gooru/master'
Merge pull request #82 from skpcharles/master

Added last modified date support in class member join
Merge pull request #83 from saravanab/master

Updated few more changes to CORE-433
removed session token entry from redis after user logout
Merge remote-tracking branch 'gooru/master'
*removed commented event logs
Merge pull request #85 from skpcharles/master

removed session token entry from redis after user logout
Merge pull request #84 from cyrilraja/master

*commented existing eventlogs for creating collection
fixed custom fields data(bluesky)
Merge remote-tracking branch 'upstream/master'