implementing fitter yaml file
restructuring to ensure compatibilty with new fitter configuration
added several things for the new fitter_config to work
fixed some problems with the new parameterconfiguration
fixed optimizer instantiation
fixing the normalizing of the initial parameters.
added convenience functions for cleaning a parameter collection in the optimizers
some more changes to work with the new framework
small fix by @orbitfold for DE
small fix
added some visualization thing
Merge pull request #11 from wkerzendorf/fitter/add_yaml_configuration_file

Fitter/add yaml configuration file