Back off from generic curve template DnD idiom

We can always bring it back if the notion of dragging the
whole template out turns out to be useful after all.
Include Raphael in webapp classpath
WIP mechanism for saving concept diagram state

At this stage, we're just trying to ship an object from client to
server.

We can now save and load a dummy object to a webprotege project
subdirectory

From here it *should* just be a matter of implementation
Reindent DraggableShape
Switch patterns from is-a AbsolutePanel to has-a

Needed for serializability.
WIP: serialize curves on state save
WIP: contiue attempts at serialization

Try to develop a more obvious serializable 'core' helper class
for what we would like to save

Had tried to make this an inner class but this confused GWT