Proceedings of Models 2018 Workshops: Modcomp, Mrt, Ocl, Flexmde, Exe, Commitmde, Mdetools, Gemoc, Morse, Mde4Iot, Mdebug, Modevva, Me, Multi, Hufamo, Ammore, Pains Co-Located with Acm/Ieee 21St International Conference on Model Driven Engineering Languages and Systems (Models 2018), Copenhagen, Denmark, October, 14, 2018