Merge pull request #698 from sravanthi1/dev-branch

"Displaying the grades details with tooltip fixed."
changed static text to message properties
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #699 from nutan-gooru/dev-branch

Changed static text to message properties
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch