required and optional tickmark issue resolved on unit setup page.
Merge pull request #1886 from ssushma/dev-branch

required and optional tickmark issue resolved on unit setup page.
Removed Commented line.
Merge pull request #1887 from anilgooru/dev-branch

Removed Commented line.
library refresh issue resolved
Merge pull request #1892 from ssushma/dev-branch

library refresh issue resolved
showing assignment status in StudentAssignment page

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Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch