kaeppler/ignition — pull request #16 by mlc (2012-03-15 23:10:56+00:00)
Title: allow specifying a dummyDrawable but no handler

This is an additional trivial overloading of `loadImage` building on @michaelengland's work in 4828177c03b0445a691dd3221e28be9cf18ccc96 but allowing you to omit the `handler` parameter if you like.