sdss/marvin: Marvin Beta 2.0.5

Added: Added netrc configuration to installation documentation. Added netrc check on init. Fixed: Added mask to model spaxel. Bug in Cube tool when a galaxy loaded from db does not have NSA info; no failure with redshift Two bugs in index.py on KeyErrors: Sentry issues 181369719,181012809 Bug on plate web page preventing meta-data from rendering Fixed installation in Python 3. Fixed long_description in setup.py to work with PyPI. Fixed a problem that made marvin always use the modules in exter