added route debug information when path matches url

included required class
merged branch inmarelibero/2.2-RouterMatch (PR #6950)

This PR was submitted for the 2.2 branch but it was merged into the master branch instead (closes #6950).

Discussion
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[2.3] [FrameworkBundle] added route debug information when path matches url

the result of the command `app/console router:match /demo/hello/foo` would be:

![Schermata 02-2456326 alle 17 04 42](https://f.cloud.github.com/assets/254808/120934/a1499432-6d52-11e2-8b67-46a164c30ea0.png)

instead of just:

    Route "_demo_hello" matches

Commits
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36098e1 [FrameworkBundle] added route debug information when path matches url
[FrameworkBundle] updated the CHANGELOG