Update BetterTouchTool to use brew-cask
Update BetterTouchTool to use brew-cask

kitchenplan/chef-applications,mAAdhaTTah/chef-applications,mAAdhaTTah/chef-applications,lsvt-casey/chef-applications,lsvt-casey/chef-applications,lsvt-casey/chef-applications,kitchenplan/chef-applications,kitchenplan/chef-applications