added yaml functionality as an alternative to json for config files
merge
added darie to authors
moved json2yaml to scripts

--HG--
rename : neckbeard/tests/json2yaml.py => scripts/json2yaml.py
updated comment for yaml; added PyYAML requirement
refactored _get_data/yaml/json_from_file
removed ipdb trace
refactored duplicate config file error reporting
Merge pull request #1 from zalmoxis/master

Add support for YAML configuration files.