SF4 Compatability

Maintains BC with < SF4.0

2.1.2: Merge pull request #6 from angelsk/master

Missing JQuery in layout and adding README clarification

2.1.1: Merge pull request #5 from 4rthem/sf-3

upgrade to symfony 3

2.1.0: Merge pull request #1 from filipgolonka/edit_request_param

Edit request param

2.0.0

Adding support for removing features from the web interface.

See https://github.com/opensoft/rollout/releases/tag/2.0.0

Bumping major version as this is technical BC break.

1.0.0

Update documentation and controller