add ruby 2.2.0 track latest rbx
add ruby 2.2.0 track latest rbx

chef/ffi-yajl,chef/ffi-yajl,kou/ffi-yajl,h4ck3rm1k3/ffi-yajl,kou/ffi-yajl,kou/ffi-yajl,h4ck3rm1k3/ffi-yajl,chef/ffi-yajl,h4ck3rm1k3/ffi-yajl