bash completion: Add remaining brew outdated flags
bash completion: Add remaining brew outdated flags

`--verbose`, `--formula`, and `--greedy`

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