minor #1065 Update docs to reflect provider interface changes (davedevelopment)
minor #1065 Update docs to reflect provider interface changes (davedevelopment)

This PR was merged into the 2.0.x-dev branch.

Discussion
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Update docs to reflect provider interface changes

Commits
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db32f19 Update docs to reflect provider interface changes

fabpot/Silex,romainneutron/Silex,fabpot/Silex,silexphp/Silex,gencer/Silex,mTorres/Silex,mTorres/Silex,romainneutron/Silex,romainneutron/Silex