update: change repo remotes to HTTPS if possible
update: change repo remotes to HTTPS if possible

Older systems will install Homebrew via git://, but can switch to https:// if a newer curl is installed.

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