Merge branch 'udpor-phase7' into 'master'

Phase 7 of UDPOR Integration: Add specialized `ex(C)` computation for `Comm*` transitions

See merge request simgrid/simgrid!144

diff --cc MANIFEST.in
Simple merge

diff --cc src/mc/api/State.cpp
Simple merge

diff --cc src/mc/api/State.hpp
Simple merge

diff --cc tools/cmake/DefinePackages.cmake
Simple merge