Make easytabs an AMD module
Make easytabs an AMD module

This makes it work properly with requirejs 1.x

mysociety/popit,mysociety/popit,openstate/popit,Sinar/popit,Sinar/popit,openstate/popit,Sinar/popit,openstate/popit,mysociety/popit,mysociety/popit,mysociety/popit,openstate/popit,Sinar/popit