removed orbit and updated codekit config
renamed jade folder to slim
renamed jade files to slim
updated content of test pages
renamed _variables to _defaults
Revert "renamed jade files to slim"

This reverts commit cdf2699b1b71b67140a6da4d4290811775dde4eb.
renamed slim back to jade and added sample webfont files
added Gemfile and Guardfile for ruby devs
updated config files
added node/grunt for development
cleaned up coffeescript files - fixes #99
refactored to support conditional tags, classes & aria role selectors, easy-to use settings file with fallback defaults and improved to how partials are included
setup grunt watch with coffee files
renamed groundwork jquery plugin files
WIP - grunt setup working, but still facing performance issues compiling scss with new refactorings
moved test files into tests/
udpated license info
refactored manual groundwork tests
removed css/tests
refactoring groundwork components for 1.7.0