Disable embree for travis OSX builds
Disable embree for travis OSX builds

Vertexwahn/appleseed,Biart95/appleseed,pjessesco/appleseed,pjessesco/appleseed,dictoon/appleseed,Vertexwahn/appleseed,Biart95/appleseed,Vertexwahn/appleseed,est77/appleseed,luisbarrancos/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,Biart95/appleseed,dictoon/appleseed,est77/appleseed,dictoon/appleseed,appleseedhq/appleseed,pjessesco/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,Biart95/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,est77/appleseed,pjessesco/appleseed,appleseedhq/appleseed,Vertexwahn/appleseed,Vertexwahn/appleseed,dictoon/appleseed,est77/appleseed,dictoon/appleseed,est77/appleseed,Biart95/appleseed,luisbarrancos/appleseed