Merge pull request #5 from davidlmorton/master

Streamline the cleanup of processes after tests
Move PTERO_FORK_* env variables to tox.ini
Prefix environment variables with PTERO_FORK_
Move tests/scripts/environment.txt into tox.ini
Remove defaults for PTERO_FORK_* in tests
Merge pull request #6 from iferguson90/master

Testing environment variables
if SIGINT fails, try SIGTERM
get broker_url from environment
Configure logging for flask app
Remove unused imports
Make views into MethodViews

This is so that we can have more flexibility in how we craft responses