Setting button title along with unit name and fixed UI issues on left border line.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Fixed issue related to arrow on re-order assignment.
  Fixed loading issue on student tab at class page.
  Integrated set goal api and added comments
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  [My Classes] Required and optional dots are same issue resolved

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/classpages/unitdetails/unitassignment.css
Merge pull request #1772 from anilgooru/dev-branch

Setting button title along with unit name and fixed UI issues on left border line.