added class DictOfProperties and updated AnalysisProperty to subclass from object
added class DictOfProperties and updated AnalysisProperty to subclass from object

albireox/marvin,bretthandrews/marvin,bretthandrews/marvin,sdss/marvin,bretthandrews/marvin,albireox/marvin,albireox/marvin,albireox/marvin,sdss/marvin,bretthandrews/marvin,sdss/marvin,sdss/marvin