*: disable sudo for travis
*: disable sudo for travis

This allows tests to run on Travis's container-based infrastructure

giantswarm/fleet,improbable-io/fleet,esatterwhite/fleet,bviswana101/fleet,paveltiunov/fleet,giantswarm/fleet,coreos/fleet,dongsupark/fleet,mookjp/fleet,improbable-io/fleet,endocode/fleet,dalbani/fleet,dongsupark/fleet,giantswarm/fleet,esatterwhite/fleet,jonboulle/fleet,endocode/fleet,dalbani/fleet,dalbani/fleet,endocode/fleet,paveltiunov/fleet,bviswana101/fleet,dongsupark/fleet,jonboulle/fleet,coreos/fleet,coreos/fleet,mookjp/fleet,improbable-io/fleet,jonboulle/fleet