add BuildOptions#build_bottle?
add BuildOptions#build_bottle?

This makes BuildOptions more compatible with Tab object. Otherwise,
`brew reinstall foo` will just crash if foo is not installed.

mahori/brew,rwhogg/brew,hanxue/linuxbrew,ilovezfs/brew,zmwangx/brew,nandub/brew,tonyg/homebrew,alyssais/brew,rwhogg/brew,gregory-nisbet/brew,JCount/brew,vitorgalvao/brew,toonetown/homebrew,palxex/brew,EricFromCanada/brew,rwhogg/brew,AnastasiaSulyagina/brew,mgrimes/brew,maxim-belkin/brew,ilovezfs/brew,zmwangx/brew,claui/brew,EricFromCanada/brew,Linuxbrew/brew,pseudocody/brew,aw1621107/brew,mgrimes/brew,amar-laksh/brew_sudo,bfontaine/brew,mahori/brew,mahori/brew,aw1621107/brew,sjackman/homebrew,bfontaine/brew,amar-laksh/brew_sudo,reelsense/brew,ilovezfs/brew,toonetown/homebrew,reelsense/brew,maxim-belkin/brew,DomT4/brew,alyssais/brew,JCount/brew,aw1621107/brew,konqui/brew,EricFromCanada/brew,tonyg/homebrew,palxex/brew,gregory-nisbet/brew,gregory-nisbet/brew,palxex/brew,mahori/brew,amar-laksh/brew_sudo,reelsense/brew,muellermartin/dist,reitermarkus/brew,DomT4/brew,MikeMcQuaid/brew,muellermartin/dist,nandub/brew,JCount/brew,Linuxbrew/brew,bfontaine/brew,Homebrew/brew,AnastasiaSulyagina/brew,AnastasiaSulyagina/brew,hanxue/linuxbrew,pseudocody/brew,reitermarkus/brew,vitorgalvao/brew,tonyg/homebrew,Homebrew/brew,zmwangx/brew,nandub/brew,maxim-belkin/brew,muellermartin/dist,sjackman/homebrew,mgrimes/brew,Homebrew/brew,alyssais/brew,toonetown/homebrew,claui/brew,MikeMcQuaid/brew,DomT4/brew,Linuxbrew/brew,sjackman/homebrew,DomT4/brew,nandub/brew,vitorgalvao/brew,reitermarkus/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,jmsundar/brew,vitorgalvao/brew,jmsundar/brew,konqui/brew,EricFromCanada/brew,reitermarkus/brew,konqui/brew,konqui/brew,jmsundar/brew,pseudocody/brew,Homebrew/brew,sjackman/homebrew,claui/brew,Linuxbrew/brew,JCount/brew,hanxue/linuxbrew,claui/brew