Upgrade ember-suave to 1.2.3
Upgrade ember-suave to 1.2.3

This fixes the `disallowVar` rule conflict between `ember-suave` and `jscs`.

clairton/ember-admin,clairton/ember-admin,dockyard/ember-admin,dockyard/ember-admin,knownasilya/ember-admin,knownasilya/ember-admin