Updated Progress UI.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  added close statement
  implemented pagination for assignment
  "ScoreHeading widget created."
  Pom changes made for heap memory issue
  "Goals ui added "
Added required services.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Unitsetup pagination issue resolved.
  "Unit Setup allignment changes updated for student view and teacher view"
  Rectified Ui issue and pagination issue.
  Minimum score and suggested time validation implemented
  wrote condition for display required and optional circle
  "DashBoard ui modified."
  Rectified UI issues in unit setup.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  implemented pagination after reorder
  added event
  handle null for assignment
Integrated API.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Added reorder widget for assignment at unitsetup.
  Validations added for scoreHeder in DashBoard.
  "Dashboard changes removed for teacher view."
  fixed null issue
  Integrated re-order ui for assignments in unit set up.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
New images committed
Addded loading Icon foe class set up and unit set up
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
"implemented set goal functionality."
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1662 from RavindderV/dev-branch

improved the validation on suggested time
implemented edit assignment details funtionality