Whitespace
Update dependencies
Update dependencies
fixup! Update dep
Reference the CLI spec interface
Add the Slim filter

fixes #10
Update rspec
Use the sourcemap server for both .map and .rb

Probably still missing .opal
Remove noisy warnings
Fixes for the newest capybara/rspec-rails
Cleanup the sourcemap spec
Put the sourcemap server in cascade with sprockets
Skip opal-rspec examples for now
Cleanup Gemfile
Add webscale badge