Remove confusing instructions from README.rdoc
Remove confusing instructions from README.rdoc

Looks like some of the "Getting started" instructions related to
starting a new Rails app rather than getting started with DMPonline.

DigitalCurationCentre/DMPonline_v4,cau-vfu/DMPonline_v4,BibNumUMontreal/DMPonline_v4,DigitalCurationCentre/DMPonline_v4,BibNumUMontreal/DMPonline_v4,cau-vfu/DMPonline_v4,cau-vfu/DMPonline_v4,DigitalCurationCentre/DMPonline_v4,BibNumUMontreal/DMPonline_v4