gazebo7: patch to use qt4-no-webkit (#182)
gazebo7: patch to use qt4-no-webkit (#182)

* gazebo7: patch to use qt4-no-webkit
* gazebo7 7.4.0_4 el_capitan bottle
* gazebo7 7.4.0_4 yosemite bottle
j-rivero/homebrew-simulation,scpeters/homebrew-simulation,osrf/homebrew-simulation