Vertex Manipulation in 3D
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Notes:
- You can't do anything in 2D yet. Working on that. Objects 
  disappear from the 2D view when you're morphing them.

Selecting:
- Hold down CTRL to multi-select objects and handles, just like
  normal. To convert a morphed solid back into the world, click
  on it again. To unselect everything, click off the map.

Morphing:
- Will use the 2 most natural axes based on the camera direction.
- Hold down CTRL to disable horizontal movement, and SHIFT to 
  disable vertical movement. Hold ALT to disable snap-to-grid.