add simpholders 2 alpha
Merge pull request #490 from exherb/simpholders-2-alpha

add simpholders 2 alpha
Remove Cocktail casks as this is now handled using conditionals in main
cask repository
Merge pull request #492 from vitorgalvao/fix-489

Remove Cocktail casks as this is now handled using conditionals in main
Merge branch 'master' of https://github.com/fza/homebrew-versions