Revert "Merge pull request #142 from benja-M-1/patch-profiler"

This reverts commit f1ddf3753bb274df72765edd92807af29730d890, reversing
changes made to 2991d0dfa58a5583d9231c490750e29c45b0a6e9.
Updated the composer.json to limit to Symfony 2.1 again in 1.1
removed the need for a routing file in the profiler
Merge branch 'profiler-fix' (PR #150)
Updated the composer requirements and the dev version
Updated the changelog