Upgrade the rspec-rails gem

https://trello.com/c/i0MIPRmJ

![](http://www.reactiongifs.com/r/lrkng.gif)
Use the new Ruby 1.9 hash syntax.<br>Line is too long. [87/80]<br>Space inside parentheses detected.<br>Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.