Update and rename README.rdoc to README.md

Added Shippable and CodeClimate badges.
Added I18n support.
Removed unnecessary line.
Update README.md
Update README.md
Merge pull request #1 from kaspernj/kj/i18n_support_impl

I18n support.
Merge remote-tracking branch 'origin/master' into kj/code_climate_impl

Conflicts:
	Gemfile.lock