refactored session code to make it more reusable
moved locale management to a locale service provider
removed the deprecated TwigCoreExtension class
removed deprecated locale_fallback setting
removed conditions about the request stack as Symfony 2.4+ is required now
adding a new interface for providers willing to register event listeners
moved Swiftmailer finish call to a proper listener
emptied the boot() method of the remember me service provider
moved fake routes for the security service provider to a connect() method (with auto-registration)
moved the provider interfaces under Silex\Api
added BootableProviderInterface
changed type-hint to Pimple whenever possible
moved classes so that Silex\Provider can be used as a sub-tree split independently of eveything else
added composer.json for Api and Provider
fixed composer.json files
simplified composer names
fixed composer.json paths
fixed stupid typo...
changed debug to have a sensible default in all providers
changed charset to have a sensible default in all providers