editoverview sticky bottom div
edit profile sticky bottom div
sticky bottom div for editMaterials, took out sticky for mobile
Pause uploads during confirm and cancel on destroy

Really should be fixed on editMaterials as well, but we don't confirm
there in the same way anyway.  Fixes #2918
Switch all floaters to scroll-float directive

This messed with some styles, and I believe the scroll-float styles are
unfortunately specific to wizards, but close enough for now.
Reintroduces bug with floats not re-floating on wizard tab switch.
make excerpts interface, first stab
Merge branch 'master' of github:databrary/databrary

Conflicts:
	app/assets/stylus/styles/form.styl
Change auth expiration constraint error message

Fixes #2871
See #2909