Fixed Issues:
1.After adding new collections sorting option has been changed to
recently added.
2.After deleting assigment updating the collections view.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #564 from shivalinga/dev-branch

Add collection to class page
Merge pull request #565 from nutan-gooru/dev-branch

Fix count issue on click on follow button
fixed ngss issue
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch