Reinstate jquery extension to provide enable and disable functions since they are required to toggle buttons after validation.
Fixes #63
Change name to IBP's Open Budget Survey Tracker (OBS tracker where short version is needed)
Fixes #64
Fix minor issues on overview page.
The text 'Latest Open Budget Index Score' does not look good as it is too long. Will leave in for now and see how we can shorten it.
Fixes #65