Work on tooltip for file upload.
Work on popup for publication display example.
Remove dpm.
Merge branch 'SCHOLAR-3.x' into 5821
Work on display example and file upload info pop-ups.
Fixes.
Add t() function.
Remove unused js and css files.
Merge branch 'SCHOLAR-3.x' into 5821.
Merge pull request #5839 from openscholar/5821

Add popups for example of citation and file upload info.