implemented getPathwayItems api
resolved conflicts

Conflicts:
	src/main/java/org/ednovo/gooru/client/service/ClasspageService.java
	src/main/java/org/ednovo/gooru/client/service/ClasspageServiceAsync.java
	src/main/java/org/ednovo/gooru/server/request/UrlToken.java
	src/main/java/org/ednovo/gooru/server/service/ClasspageServiceImpl.java
Merge pull request #1544 from nutan-gooru/dev-branch

Implemented getPathwayItems api
implemented getPathwayItems in view
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1546 from RavindderV/dev-branch

Unit drop down added in assign popup
Added widgets to unitSetup.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1547 from VinRudramurthy/dev-branch

Added widgets to unitSetup.
Unit list api added, functionality implemented
"showing data form unitsapi and implemented paginaton."
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1548 from mitraj/dev-branch

display data from getunits api and implemented paginaton.
Merge pull request #1549 from ssushma/dev-branch

Unit list api added, functionality implemented
class setup implemented without pagination
Merge pull request #1550 from ssushma/dev-branch

class setup implemented without pagination
Edit assignment view has been implemented.
Merge pull request #1551 from shivalinga/dev-branch

Edit assignment view has been implemented.
"More Units click event implemented and unhide/hide based on no.of Units"
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch