Miscellaneous changes and css changes in Chapter 7
Merge branch 'sign-up'

Adding small changes from Chapter 7
working through chapter 8. Tests currently failing for some reason. Stopped at 8.2.5
I hate conflicts. Think I'm using Blaed's updates... I hope so...
fixing stupid conflicts
Finish signup
Merge branch 'sign-in-out'

Conflicts:
	app/views/layouts/_header.html.erb
	db/schema.rb
clean up
Finished 9.5, user edit, update, index, destroy. Some tests failing. Should probably figure out why.