Update OpenShift Docs for Ruby 2.0 Cartridge
Update OpenShift Docs for Ruby 2.0 Cartridge

Update the instructions for OpenShift for the newly added Ruby 2.0
Cartridge. Due to an older version of Bundler, some workarounds have
to be included.

adscott/stringer,Koronen/stringer,InPermutation/stringer,geemus/stringer,milligramme/stringer,Koronen/stringer,nibble/stringer,jeroenj/stringer,thiagosil/stringer,Koronen/stringer,adscott/stringer,InPermutation/stringer,geemus/stringer,nibble/stringer,nibble/stringer,jqr/stringer,mpraglowski/stringer,jqr/stringer,mpraglowski/stringer,swanson/stringer,dandorman/stringer,InPermutation/stringer,lodestone/stringer,jeroenj/stringer,run-project/stringer,jeroenj/stringer,swanson/stringer,nobuti/stringer,nobuti/stringer,swanson/stringer,nibble/stringer,adscott/stringer,dandorman/stringer,dperson/stringer,milligramme/stringer,geemus/stringer,thiagosil/stringer,lodestone/stringer,jqr/stringer,dandorman/stringer,run-project/stringer,dperson/stringer,jqr/stringer,adscott/stringer,geemus/stringer,mpraglowski/stringer,run-project/stringer,thiagosil/stringer,swanson/stringer,lodestone/stringer,dperson/stringer,dperson/stringer,jeroenj/stringer,nobuti/stringer,milligramme/stringer,Koronen/stringer