Gravatars can be sized - Ex 7.6-1
Test signup error page - Ex 7.6 -2
Test signup success - Ex 7.6-3
Use content_tag - makes ERb cleaner - Ex 7.6-4
Bare Sessions controller & test from 8.1.1
Sessions controller - 8.1.1 done
Signin tests - failing - 8.1.2 done
Singin failure - 8.1.5 done
Signin upon signup - 8.2.5 done
Signing out - 8.2.6 done