Apparently 1.9.1 isn't available on Travis. Adding jruby-head.
Apparently 1.9.1 isn't available on Travis. Adding jruby-head.

Envek/addressable,Hacker0x01/addressable,sporkmonger/addressable,davidbegin/addressable,shaicoleman/addressable,iainbeeston/addressable,sferik/addressable,EiNSTeiN-/addressable,107191613/addressable,rkh/addressable