[MacRuby] #1450: Update version of Rubygems to 1.8.x

#1450: Update version of Rubygems to 1.8.x --------------------------------------+------------------------------------- Reporter: gabriel.gilder@… | Owner: lsansonetti@… Type: enhancement | Status: new Priority: major | Milestone: Component: MacRuby | Keywords: --------------------------------------+------------------------------------- MacRuby currently bundles Rubygems 1.4.2 -- recently created/updated gems are requiring Rubygems 1.8+ to install. -- Ticket URL: <http://www.macruby.org/trac/ticket/1450> MacRuby <http://macruby.org/>