Add CORS support
Allow only whitelist domains for cors
Merge branch 'master' into rack-cors
Merge branch 'master' into rack-cors

Conflicts:
	Gemfile.lock
Merge branch 'master' into rack-cors

Conflicts:
	.env.example
	Gemfile.lock
	config/application.rb
- Move cors config to rack cors initializer
- Allow to set list of allowed hosts for request
Merge branch 'master' into rack-cors
Correctly pass arguments for rack cors origings
Merge branch 'master' into rack-cors

Conflicts:
	Gemfile
Merge pull request #53 from fs/rack-cors

Add CORS support