Added python bindings for the new shape fitting
Added python bindings for the new shape fitting

Specifically, added python bindings for:
* LandmarkMapper (core submodule)
* EdgeTopology, load_edge_topology()
* ContourLandmarks, ModelContour
* fit_shape_and_pose()
* Mesh (render submodule)

patrikhuber/eos,icyrizard/eos,patrikhuber/eos,icyrizard/eos,icyrizard/eos,patrikhuber/eos