stop installing libyajl1 in travis
stop installing libyajl1 in travis

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