Merge pull request #19 from boegel/ec_format_v2.0

fix merge with develop, fix framework/easyconfigs unit tests on top of this
allow overriden format version in parse function
add wrapper function for parser.format.get_config_dict, adjust function names to indicate private functions
fix various remarks + couple of bugs in last commit
move get_format_version_classes to format.py, get rid of locate.py, import known formats in format/__init__.py