Supervisor 3.2 + signals

Merge pull request #5 from EDITD/signals

Signals

v0.5

We need process_name if numprocs is to work.

v0.4

Allow setting of numprocs

v0.3

Fixed bug where default value for env_vars wasn't being used.

v0.2

Added support for environment variables.

First release!

v0.1

Rename *yaml files to *yml