Merge branch 'develop'

* develop:
  finishing up the challenge admin api first pass
  finalizing challenge API
  removing task.run form fixture loader
  moving to flask Runner and updating other requirements.
  fixing the api to generate a location hint for the task instead of relying on the task geom field
  initial admin api code
  upping fixture loader to 1MM tasks
  removing superfluous debug output
  add API endpoint for bulk status retrieval for all tasks in a challenge. fixes #103
Merge branch 'master' of github.com:osmlab/maproulette

* 'master' of github.com:osmlab/maproulette: