Suppress warnings concerning gmm.h and perform some static_cast

See merge request !35

fixed include search path

See merge request !33

added search path for cgal 4.7 and VS2013 on our lab machines

See merge request !32

evaluate variables within a if command block

[skip ci]

Feature ci less hard coded paths

See merge request !31

Vs2017 ci

See merge request !30

Fix accidental switch fallthrough.

See merge request !28

CMake changes to build CoMISo with MSVC in Debug mode

See merge request !29

* add VS2017 definitions
* remove hardcoded include and library directories

with msvc, the CMAKE_BUILD_TYPE is not taken into account from CMake.
MSVC is multi-configuration and we can change the config from inside msvc.
This new cmake code allows to use this multi-configuration system and
generate automatically the right post-build instruction