Makes it work with S3
use js from imulus/retinajs and just remove external checking
Fix: undefined method `gsub!` for nil:NilClass
Also append @2x to files with no extension
Fix typo's
Refactor code
Add data-retina attribute for async interfaces
Merge pull request #41 from jhnvz/fix/retinajs-latest

Update retinajs
Add paperclip spec for files without extension
Merge pull request #38 from jhnvz/fix/no-extension

Fix: undefined method `gsub!` for nil:NilClass
Bump version
Add license closes #42
Bump version
Make retina versions respect parent's conditionals w/ carrierwave
Use earlier paperclip than 4.0 until retina_rails 2.0
Merge pull request #45 from EddM/master

Make retina versions respect parent's conditionals w/ carrierwave
Bump version
Merge branch 'refs/heads/master' into 2.0.0

Conflicts:
	lib/retina_rails/strategies/carrierwave.rb
	lib/retina_rails/version.rb
	spec/strategies/carrierwave_spec.rb
	spec/strategies/paperclip_spec.rb
	spec/support/file_string_io.rb
	vendor/assets/javascripts/retina.js