Fomalhaut: add Fomalhaut C, update designations and magnitudes.

Mamajek et al. (2013) http://adsabs.harvard.edu/abs/2013AJ....146..154M
SIMBAD
Fomalhaut: added 3D separations to the Fomalhaut system.

Mamajek et al. (2013) http://adsabs.harvard.edu/abs/2013AJ....146..154M
Merge pull request #375 from mistertribs/fomalhaut

Update Fomalhaut system