travis.yml: attempt to use travis_wait.
travis.yml: attempt to use travis_wait.

nandub/brew,sjackman/homebrew,MikeMcQuaid/brew,reitermarkus/brew,Linuxbrew/brew,MikeMcQuaid/brew,nandub/brew,konqui/brew,reitermarkus/brew,EricFromCanada/brew,JCount/brew,MikeMcQuaid/brew,mahori/brew,Homebrew/brew,mahori/brew,claui/brew,Homebrew/brew,mahori/brew,sjackman/homebrew,Linuxbrew/brew,vitorgalvao/brew,EricFromCanada/brew,claui/brew,vitorgalvao/brew,MikeMcQuaid/brew,konqui/brew,JCount/brew,Linuxbrew/brew,JCount/brew,JCount/brew,reitermarkus/brew,mahori/brew,sjackman/homebrew,EricFromCanada/brew,vitorgalvao/brew,Homebrew/brew,Homebrew/brew,Linuxbrew/brew,nandub/brew,nandub/brew,konqui/brew,sjackman/homebrew,claui/brew,konqui/brew,claui/brew,vitorgalvao/brew,reitermarkus/brew,EricFromCanada/brew