Updates rabbitmq-c submodule
Upgrades to rabbitmq-c-0.5.3.  Closes #58
Use rabbitmq-codegen 3.4.1
Bumps version to 1.6.0 and updates Changelog
Test stuff
Removes pavement.py
Flakes after flake8 upgrade
Merge branch '1.6'

Conflicts:
	Makefile
	setup.cfg
Force setup.py install to always call build
Bumps version to 1.6.1 and updates Changelog