Removed /usr/rubies and /usr/local/rubies to comply with FHS (issue #36)
Removed /usr/rubies and /usr/local/rubies to comply with FHS (issue #36)

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