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
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
Merge remote-tracking branch 'gooru/master'
*removed commented event logs