Better integration with Capybara and compliant with Konacha 3.
Clean up formatting of pending and failing results.
Update documented options in Guardfile template.
Update testing strategy to depend on Konacha and require loading a Rails environment.
Rewritten specs which can test against multiple Rails versions.
Update Travis build file to test against various Rails versions.
Update Readme.
Stop testing Ruby 1.8 in travis builds.
Merge pull request #18 from alexgb/konacha_3_0_compatibility

Konacha 3.0 compatibility and fixes for caching issues.