Avoid making an "untagged" tag when deploying.
Avoid making an "untagged" tag when deploying.

When merging to master, travis is generating an "untagged-<hash>" tag.
I think this might avoid that.

OpenGeoscience/geojs,OpenGeoscience/geojs,Kitware/geojs,Kitware/geojs,OpenGeoscience/geojs,Kitware/geojs