feature #1232 updated the Monolog provider to use the newest features of Monolog and the Symfony bridge (fabpot)

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

Discussion
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updated the Monolog provider to use the newest features of Monolog and the Symfony bridge

@Seldaek If you can have a quick look, that would be much appreciated :)

Commits
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a53ce590 updated the Monolog provider to use the newest features of Monolog and the Symfony bridge