Merge pull request #270 from sheebans/master

provided support for course level fetching in library
Merge pull request #271 from sheebans/master

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

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

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

added fix for null pointer expection
Merge pull request #275 from sheebans/master

Fixed assignment duplicate sequence issue
Added update support for active field in user object
added label field in get library api
Merge pull request #277 from skpcharles/master

Added update support for active field in user object
active field added for user search gooru-core/src/main/java/org/ednovo/gooru/core/api/model/UserSearchResult.java
Merge pull request #278 from kadhireshg/master

active field added for user search
Merge remote-tracking branch 'gooru/master'
Fixed item count issue for assignment