add godep workspace to PATH on travis
add godep workspace to PATH on travis

Signed-off-by: Will Pragnell <eefda05bdef438660d447ff971b84a00b7795fad@pivotallabs.com>

pivotal-cf/brokerapi,frodenas/brokerapi,cfmobile/brokerapi,drnic/brokerapi,pivotal-cf/brokerapi