Updating Dropwizard to 0.7, and adding additional test implementations
Removing dropwizard resource timing
Downgrade gunicorn for tornado worker

Gunicorn 19.0 has regression. Tornado worker doesn't works with it.
Tornado is best worker for PyPy (speed and keep-alive).
Until Gunicorn 19.1 is released, downgrade to 18.0.
Gunicorn+Tornado is for PyPy. Py2/Py3 can use Gunicron 19.0.
Merge pull request #850 from reines/dropwizard_updates

Dropwizard updates
Merge branch 'bottle-remove-accesslog' of http://github.com/methane/FrameworkBenchmarks into 898
898

Works straight out the box.
Merge branch '898'
Merge branch 'master' into devel