[cmake] fix e12134c
[bindings] update config.h parsing (for the cmake case)
[functionals.interfaces] fixed interface (use DUNE_STUFF_SSIZE_T)
[functions.interfaces] disable external warnings
[examples.stationarylinear] do not catch deprecated exceptions
[parameters.base] add safe integer conversion, refs #10
[functionals.default] add safe integer comparison, refs #10
[functionals.affine] add safe integer conversion, refs #10