Added sinatra-footnotes and rack-flash and bcrypt gems
Added 173 bcf and 174f.
Updated 174f with mockup, registration, welcome, pre-supplied username-password pairs.
Added 174b.
Added 174c.
Oops, old Gemfiles don't have sinatra-footnotes and rack-flash3.
Add custom-named associations to 160f.
Expand 173 bcf to make it more difficult.
Merge branch 'master' of github.com:davincicoders/2013-q3-rails-1
hi
committing hw