updating a bunch of gems

We haven't updated gems in a while and I wanted to get jQuery 1.9.1 especially.

Changed Gems:
* jquery-rails (2.2.1)
* mime-types (1.21) 
* better_errors (0.5.0) 
* childprocess (0.3.7) 
* websocket (1.0.7) 
* selenium-webdriver (2.29.0) 
* fssm (0.2.10) 
* compass_twitter_bootstrap (2.2.2.2) 
* dalli (2.6.2) 
* factory_girl (4.2.0) 
* factory_girl_rails (4.2.1) 
* faraday (0.8.5) 
* hirb (0.7.1) 
* newrelic_rpm (3.5.6.46) 
* omniauth (1.1.2) 
* rspec-mocks (2.12.2) 
* rspec-rails (2.12.2) 
* sass-rails (3.2.6)