sdss/sdss_brain: Brain 0.1.1

This release is a general restructuring to provide greater flexibility in data inputs. It separates out sdss_access into a standalone mixin and adds mixin class for the MMA and Brain without sdss_accesss

• Adds - decorators, access_loader, parser_loader, sdss_loader to reduce boilerplate for overriding abstract methods
• Adds - new BrainNoAccess class to support non sdss_access paths
• Adds - new MMAccess mixin combining AccessMixIn and MMAMixIn
• Adds - split out sdss_access parts into new AccessMixIn.
• Fixes #2 fixed conflict between loading files and sdss_access necessary path parameters