Merge pull request #1767 from anilgooru/dev-branch

Ui Issues fixed. Added Click events for personalise button.
Integrated set goal api and added comments
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Fixed loading issue on student tab at class page.
Merge pull request #1768 from mitraj/dev-branch

Integrated set goal api and added comments
Merge pull request #1769 from VinRudramurthy/dev-branch

Fixed loading issue on student tab at class page.
Fixed issue related to arrow on re-order assignment.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1770 from VinRudramurthy/dev-branch

Fixed issue related to arrow on re-order assignment.
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