remove battle-bootstrap; auto add .yml in config files if not supplied
support for single level of directories in a playbook repo
only run local playbook if it exists
add configurable config_dir location; add a few comments to battle
added source.url to load sources from a url; renamed update_vcs to update_sources
added config_file option; if config_file is url, download and use. Useful for first time runs
bump version to 0.1.1
bump version to 0.2.0 instead of 0.1.1 because of breaking parameter change
fixed cache_dir config name
updated README with new features
Merge branch 'devel'