JOHNE - 'variant.hg' modified by JE - to prevent multiple compiler warnings about error C4290
JOHNE - Add auto-generated files to our ignore list
JOHNE - Add some more auto-generated files to our ignore list (giomm branch)
JOHNE - Modify 'glibmm.vcproj' to generate its auto-generated files
JOHNE - Modify 'giomm.vcproj' to generate its auto-generated files
JOHNE - Add a missing source module to the 'giomm' project (but don't yet add the missing 'tls' sources)
JOHNE - Move 'm4_path' into 'local-paths.lib' and add a new path for 'GlibmmBuildRootFolder'