Small Issues March 23

[s-steddy]

Collection of things Joe has mentioned recently in morning meetings, etc.

• [x] A notification (not popup) for users letting them know they have been given more credits (ie. from Joe/Emma using the data dashboard button). Message: "You've been awarded x Credits / Thanks for playing. Why not try one of our latest bricks?" Clicking on notification takes user to catalogue.
• [x] Add teacher email underneath teacher name on classes panel of data dashboard, like with brick authors on bricks panel.
• [x] Fix hover over text formatting from getting in the way of red scroll up button in build:

[s-steddy]

I can't see a notification after trying to award this user credits on dev:

The other two points are done though - thank you

[s-steddy]

All seem to be working now. Thanks!