placehoder text not supported in libpack qt version
make sure active assembly object extern variable is always the same type, as visual studio can't find it if derived classes are used
suppress useless msvc warning
treat multiple assignment operator warning on msvc
supress useless msvc warnings
use freecad resource, not local one
Merge branch 'assembly' of github.com:ickby/FreeCAD_constraint into assembly
include dcm core directly to use the warning supression