ignition-rendering 1.0.0~pre4 (#518)
ignition-rendering 1.0.0~pre4 (#518)

* ignition-rendering: update 1.0.0~pre4

* ignition-rendering: update 1.0.0~pre4 bottle.

scpeters/homebrew-simulation,osrf/homebrew-simulation,j-rivero/homebrew-simulation