correct the filename of the yum provisioner unit test
add unit test for Config.dict_merge
add contributing doc
ignore vim temporary files
fix for 88.  when I refactored the policy_file stuff to be in the YAML, I put it in the apt_test.yml (now deleted for clarity) and forgot to put it in the real yml file.  this caused a problem when it tried to concat a str with None
Merge pull request #90 from kvick/issue_88

Issue 88.  This should re-enable amination on ubuntu
Initial chef support
Basing off linux.py base provisioner for functionality
Fix missing imports
A couple more imports missing
prepare for release 1.2.129-dev
Make chef use LinuxBaseProvisioner
fix case
allow provision_config_files to be directories (for copying cached yum meta files)
remove stray remove
Merge branch 'testing' of github.com:coryb/aminator
LinuxBaseProvisioner requires CommandResult returns from some of the functions
Add import for namedtuple
DERP!
Adding support for cookbook_url