Comment 4 for bug 1988072

hey @khurshid-alam, this patch is a debdiff between the unity 7.5.1 and 7.6 packages to bump up the version in universe too (from 7.5.1 to 7.6), so I haven't removed any of the UI changes from the debdiff (this doesn't just contain a number of hand-picked bug fixes from 7.6 for 7.5.1). I don't think there should be any problems because of this.