Merge pull request #267 from cyrilraja/master

*Included client source in server side event log context
Added API support for isfollow user status
Merge remote-tracking branch 'gooru/master'
Merge pull request #268 from skpcharles/master

Added API support for isfollow user status
Merge remote-tracking branch 'gooru/master'
added active field in login API response
Merge pull request #269 from skpcharles/master

added active field in login API response
included the grade serialization
provided support for course level fetching in library
provided support for course level fetching in library
Merge pull request #270 from sheebans/master

provided support for course level fetching in library
added fix for assignment count issue
Merge pull request #271 from sheebans/master

added fix for assignment count issue
added fix for null pointer expection
Merge pull request #272 from sheebans/master

added fix for null pointer expection
added fix for null pointer expection
added fix for null pointer expection
Merge pull request #273 from sheebans/master

added fix for null pointer expection
added fix for null pointer expection
Merge pull request #274 from sheebans/master

added fix for null pointer expection