added coda install to travis.yml
added coda install to travis.yml

NLMichaud/nimble,nxdao2000/nimble,nimble-dev/nimble,nxdao2000/nimble,nimble-dev/nimble,NLMichaud/nimble,nimble-dev/nimble,NLMichaud/nimble,nxdao2000/nimble,nxdao2000/nimble,NLMichaud/nimble,nimble-dev/nimble,nimble-dev/nimble