Enabled setclasspage data.
UI Updates.
Setting data from API and displaying the monitor based on values.
Removed system out.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Analytics loading icons added
  fixed null issue
  Fixed issue for assignment clear
  "Validation added for set goal unit status"
  "implemented in the players"
  unit title will not accept empty space characters as title
  Changes for edit button and delete class buttons
  1.1 QA [My Classes] Directions are displayed at minimum score and Due Date are not displayed at Unit details page when assignment assigned from library Share
  created widget for assignment container
  Missing file has been commited.
  Analytics null handling implemented
  1.Fixed displaying class info bug. 2.changed data logs events parent id from classpage id to unit id.

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/classpages/unitdetails/UnitAssignmentView.java
Merge pull request #1825 from anilgooru/dev-branch

Personalize Unit for Students API integration