Updated version of Raven to 3.4.1
Merge branch 'master' of github.com:ox-it/moxie

* 'master' of github.com:ox-it/moxie:
  Reverted statsd to the singleton configured by create_app
  Updated documentation
  Timing all views from moxie.core.views
  Move from decorator to contextmanager
  Replaced the usage of statsd.timer as a decorator with a contextmanager
  Don't init statsd with the app, init as required.
  Reverted the import trickery
  Added a LocalProxy for importing a configured statsd
  Fixed unit tests problems introduced due to statsd not being init
  Init statsd or it will break when it is not configured
  Added metric to Solr request
  Added statsd on LDB
  Added timers on cloudamber
  Added some documentation
  Only init statsd if STATSD_HOST in config
  Initial integration