made some changes suggested by @bmoyles in the original pull request.  added yum provisioner test.  still need to refactor the name of the 'short_circuit' yaml property
Merge branch 'deb_local_provisioner' of github.com:kvick/aminator into deb_local_provisioner

Conflicts:
	aminator/plugins/provisioner/apt.py
	tests/yum_test.yml