Update all tests to "expect" format and add support for RSpec 3 usage
Swap from :skip to :capybara_skip since :skip is now used by RSpec 3
Add rspec 3 testing to beta gemfile
Merge pull request #1192 from twalpole/rspec299

Update all tests to "expect" format and add support for testing drivers with RSpec 2 or the upcoming RSpec 3