1.1.0

Upgrade path from sensio/framework-extra-bundle PSR-7 support

If your code depends on sensio/framework-extra-bundle PSR-7 support, this is the
suggested upgrade path:

1. Require sensio/framework-extra-bundle:^5.3.
2. Require ajgarlag/psr-http-message-bundle:^1.1, and enable old services aliasing.
3. Disable PSR-7 support in sensio_framework_extra configuration.
4. If your code depends on old sensio_framework_extra_... services identifiers,
   modify service definitions to use the ajgarlag_psr_http_message_... alternatives
   following deprecation messages.
5. Do you need any other feature provided by sensio/framework-extra-bundle?:
   • YES: require sensio/framework-extra-bundle:^6.0.
   • NO: remove sensio/framework-extra-bundle.