Feature: Added WebProfiler (Replaces debug toolbar)

Added Silex WebProfiler with Doctrine profiling thanks to the works by
Anton Medvedev <anton@elfet.ru> and Christophe Coevoet <stof@notk.org>
Changes to vendors in .lock file
Add .lock to gitignore
Merge pull request #637 from donottumbledry/master

Feature: Add Silex WebProfiler to Bolt