Added exercise 275.
Didn't mean to commit form.erb
Added example 276: 275 plus validations.
Added 277: combined GET and POST ERb files.
Added exercise 278.
Fix ConnectionTimeoutError from Monday's exercises on.
Merge branch 'master' into SG
Merge branch 'SG' of github.com:davincicoders/2013-q2-rails-1 into SG