ignore system files and generated gems
add the gemspec file
copy gem source files from bourbon
rename gem files for YAML, change namespace, functions etc.
execute bundle install
remove features for testing
define yaml directory
include needed files into gem
Change the Gem version to 1.0.0 and add VERSIONS.md like jquery-rails Gem (https://github.com/indirect/jquery-rails).
New Gemfile.lock for version 1.0.0.
Remove install.rake task for old Rails Version < 3.1.
Don't load the rake task for old Rails versions (< 3.1) and load Sass files from vendor directory.
Add two Sass files for Rails integration.
Remove encoding in Rakefile.
Change date and resort dependencies.
Merge branch 'master' into gem-files

Conflicts:
	Gemfile
	Gemfile.lock
	Rakefile
[BUGFIX] oliverklees comments for pull request: Removed cucumber, successfully tested with Ruby on Rails and with own executable "yamlcss install".
Merge branch 'master' into gem-files
[BUGFIX] Some ruby fixes in generator.rb for style checker (rubocop).
Merge branch 'master' into gem-files

Conflicts:
	.gitignore