.travis.yml: Trigger Docker Hub build only after new packages are uploaded to anaconda.org.
.travis.yml: Trigger Docker Hub build only after new packages are uploaded to anaconda.org.

DudLab/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe,nanshe-org/nanshe,jakirkham/nanshe