Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
New images committed
Merge pull request #1660 from VinRudramurthy/dev-branch

Addded loading Icon foe class set up and unit set up
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
improvements on suggested time validations
Null handling implemented for old classes
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1661 from ssushma/dev-branch

Null handling implemented
Merge pull request #1662 from RavindderV/dev-branch

improved the validation on suggested time
implemented edit assignment details funtionality
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/classpages/unitdetails/UnitAssignmentView.java
	src/main/java/org/ednovo/gooru/server/service/ClasspageServiceImpl.java
Merge pull request #1663 from shivalinga/dev-branch

implemented edit assignment details funtionality
Pagination issue Resolved in Unit Setup page
Merge pull request #1664 from ssushma/dev-branch

Pagination issue Resolved in Unit Setup page
handled Right and Left arrow at unit set up.