Added specific configuration for system-wide usage.
Added specific configuration for system-wide usage.

ngpestelos/chruby,eunomie/chgo,JeanMertz/chruby-fish,rstacruz/chruby-fish,eunomie/chgo,regularfry/chruby,ngpestelos/chruby,regularfry/chruby,postmodern/chruby,kbrock/chruby,rstacruz/chruby-fish,JeanMertz/chruby-fish,ilikepi/chruby,postmodern/chruby,kbrock/chruby,ilikepi/chruby