ignition-plugin 1.1.0~pre1 (#763)
ignition-plugin 1.1.0~pre1 (#763)

* ignition-plugin: update 1.1.0~pre1

* ignition-plugin: update 1.1.0~pre1 bottle.

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