deleted our of date roles
removing some out of date and unnecessary files
changed the structure of the ansible hosts file
removing more out of date files
allowing for a new ansible deployment structure, which will have the same riak deployment on all nodes but will assign one as the 'leader' to which all other nodes in the cluster will join
added new ansible roles for the deplyment of riak 2.0
fixed some minor errors
adds verbose output feature
improved the verbose output functionality to enable timestamp printing as well
fixed some minor formatting issues
made the three ansible tasks in this file much more robust
removed the option to boot this vagrant environment with ubuntu
added the third vagrant box to the cluster for testing
added a few docstrings in order to fix a problem where invoke would not run properly (due to the lack of these docstrings)