Revert "Remove Travis status"
Revert "Remove Travis status"

This reverts commit bef18e00dad30093a21051b46e8d6b3a961b7938.

kislyuk/argcomplete,neizod/argcomplete,lisongmin/argcomplete,douglas-larocca/argcomplete,neizod/argcomplete,landonb/argcomplete,lisongmin/argcomplete,douglas-larocca/argcomplete,kislyuk/argcomplete,landonb/argcomplete