partialy implemented pagination.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch

Conflicts:

src/main/java/org/ednovo/gooru/client/mvp/classpages/unitSetup/UnitsAssignmentWidgetView.java
Merge pull request #1607 from mitraj/dev-branch

Partially implemented pagination.