Made ui changes
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Edit assignment view has been implemented.
  class setup implemented without pagination
  "showing data form unitsapi and implemented paginaton."
  Unit list api added, functionality implemented
  Added widgets to unitSetup.
  integrate the unit dropdown with api
  implemented getPathwayItems api
  DO object changes updated
  "units selection css functionality added."
  Integrated UI for unitsetup using widget.
  delete pathway api added
  New apis added for pathways
  unit dropdown added in assign popup
Merge pull request #1558 from anilgooru/dev-branch

Made ui changes