Add non const Triangle access to appleseed.python
Add non const Triangle access to appleseed.python

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