Cleanup
Add Ruby 2.1.1 + Ruby HEAD
Update HEAD
Refactoring
Add Contributors to "Special Thanks"
Refactoring tracking in development environment
Merge branch 'master' into refactoring

Conflicts:
	CHANGELOG.md
	lib/middleman-google-analytics/extension.rb
Add a new line for better readability
Use Middleman #build? and #development? helper
Add tests for development tracking
Add "minify" option for compress the JavaScript code
Update summary and description
Bump version to 1.0.0.pre
Add Ruby 2.1.2
Bump version to 1.0.0
Add newline at end of file
Merge pull request #17 from danielbayerlein/1.0.0

1.0.0