Assured that qwt and qwtplot3D are found if not in a common location.
- add new option WITH_STATIC_RUNTIME that allows to link on windows against the static runtime when using MSVC or intel
- ICC also needs the different entry point.
- found a couple of additional places that needed adjustments for intel compiler
Suppress warning messages about overloading virtual functions.
Fixed warnings about uninitialized values in constructors.
Fixed layout problem occurring after switching to type ODE.