Move bootstrap javascript into the head
Move bootstrap javascript into the head

This makes plugins based on bootstrap render more smoothly in some
circumstances.

ascoderu/opwen-webapp,OPWEN/opwen-webapp,OPWEN/opwen-webapp,ascoderu/opwen-cloudserver,ascoderu/opwen-webapp,OPWEN/opwen-webapp,ascoderu/opwen-cloudserver,ascoderu/opwen-webapp