added dependencies to travis ci yml apt-get
added dependencies to travis ci yml apt-get

joeykrug/sidecoin,AugurProject/sidecoin,AugurProject/sidecoin,AugurProject/sidecoin,joeykrug/sidecoin,joeykrug/sidecoin,AugurProject/sidecoin,AugurProject/sidecoin,joeykrug/sidecoin,joeykrug/sidecoin