wout/url2png-gem — pull request #2 by ceritium (2011-10-15 14:44:20+00:00)
Title: Allowed modes: production, placehold, dummy.

Allowed modes: production, placehold, dummy.

* production, original mode.
* placehold, generate image url for the service placehold.it, ideal for development.
* dummy, generate image url like /images/dummy.png, ideal for testing.