travis: Use Ubuntu 14.04 (Trusty)
travis: Use Ubuntu 14.04 (Trusty)

Flowdalic/Smack,igniterealtime/Smack,vanitasvitae/Smack,Flowdalic/Smack,igniterealtime/Smack,igniterealtime/Smack,Flowdalic/Smack,vanitasvitae/Smack,vanitasvitae/Smack