Revert "Test against Rubinius in both Ruby 1.8 and 1.9 mode"
Revert "Test against Rubinius in both Ruby 1.8 and 1.9 mode"

This reverts commit eb32e0b77cadd4db985301f96b1c1863366666d2.

Conflicts:

	.travis.yml

ngpestelos/omniauth,nbrustein/omniauth,ayunav/omniauth,poznyakandrey/omniauth,omniauth/omniauth,likeberi/omniauth,intridea/omniauth,dougal/omniauth,thomasmillergb/Year2-ruby-software-hut,twalpole/omniauth,sideci-sample/sideci-sample-omniauth,yui-knk/omniauth,thomasmillergb/Year2-ruby-software-hut