Also install npm.
Also install npm.

sillvan/mac-dev-playbook,Andrew415/mac-dev-playbook,toby-griffiths/mac-dev-playbook,Dextro/macbuild,annikaC/mac-dev-playbook,jayanthm/mac-dev-playbook,ngpestelos/mac-dev-playbook,jessmartin/laptop,dhelfer/centos-webdev-environment,opdavies/mac-dev-playbook,jayanthm/mac-dev-playbook,siyelo/laptop,jalessio/mac-dev-playbook,timdiels1/mac-dev-playbook,techraf/mac-dev-playbook,sinso/macbook-webdev-environment