travis: add Docker 1.10
travis: add Docker 1.10

This will add 8 more jobs. Hope Travis doesn't ban me :-)

csrwng/go-dockerclient,davidstack/go-dockerclient,ybogdanov/go-dockerclient,paulbellamy/go-dockerclient,achanda/go-dockerclient,tarsisazevedo/go-dockerclient,fsouza/go-dockerclient,ybogdanov/go-dockerclient,csrwng/go-dockerclient,davidstack/go-dockerclient,tarsisazevedo/go-dockerclient