Turn-To-Face

I implemented more controllable facing in the morph gadget. Basically, you can make morphs so that instead of just clicking the morph button, you get a point that you want the unit to face toward. This reduces the number of clicks needed to face, although it has a couple clunky things. First, there’s no pretty dotted line for the order, and second, the unit turns to face the target instantly. See what you think. To set a morph to be directional, set directional = true for it in morphDefs.lua.