Add a gitignore
Package the Aquilon Protocol buffers definitions

Use a setup.py for building an RPM.  Morgan Stanley's Makefile-based
workflow remains intact.
Use /usr/bin/env in the setup script

Some systems don't seem to put env under /bin, and all have /usr/bin/env
even if it's just a symlink.
Merge pull request #4 from piojo/packaging-makefile

Package the aquilon protocols with setuptools