Results 4 issues of Nick Gottlieb

See here: http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#usage-of-return-within-inline-callback-blocks So using it in Rails 4.1 errors in lib/cancan_strong_parameters/controller.rb on line 88. I pulled all the return statements with some very minor refactoring.

I'm running into this error trying to deploy to a front_end_builds app: ``` Done uploading assets error:0906A068:PEM routines:PEM_do_header:bad password read Error: error:0906A068:PEM routines:PEM_do_header:bad password read at Error (native) at Sign.sign...

… meta tags minimal solution for this issue: https://github.com/tedconf/front_end_builds/issues/33

It's actually a quick fix that doesn't involve any code changes, but figured you might want to add it to the docs. In order to have the new fields persist...