*Fixed TEK standards
Merge pull request #1 from cyrilraja/master

*Fixed TEK standards
Revert "Added copyrights and Modified existing copyrights template"

This reverts commit 376aa5aba793ab05fcc3b32725e568eee8b0806b.
Implemented  create invite user support for class
Fixed NPE .
fixed taxonomy creation error
Merge branch 'master' of https://github.com/Gooru/Gooru-Core-API
removed log entries
Merge pull request #2 from sheebans/master

Implemented create invite user for class
Added supprot class group implementation