removing test and testMode options in configuration. A test DOI should only be created when the environment is dev or test, otherwise, prod will produce a real doi. Added an option for which domains are allow when registering a URI for a DOI. Removed the metadata validator class as this is now done via assert annotations in the models
Merge branch 'master' of github.com:ILLGrenoble/ILLDataCiteDOIBundle