Changed the generator to generate a single source file. Removed two non-existant header paths. Added logging with ConsoleCopy.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
Worked around a bug in C++# in order to produce wrappers for the 64-bit libgd.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
Merge branch 'itanium' into appveyor