genericPatches is linked into mesh generation and manipulation utilities but not
solvers so that the solvers now check for the availability of the specified
patch types. Bugs in the tutorials exposed by this check have been corrected.
so that it can be included directly into the wmake Makefile to allow full
support of gmake syntax, variables, functions etc.
The Make/files file handled in the same manner as the Make/options file if it
contains the SOURCE entry otherwise it is first processed by cpp for backward
compatibility.