SDL: SDL2 is now the default except for OS/2 builds. [R. Belmont]
USE_NETWORK Ethernet emulation is now enabled by default as per the roadmap. [R. Belmont]
Reverse the networking polarity in the OSD makefiles. (nw)
Tell SDL to stop sound when volume is set to max attenuation. (nw)
(mess) mikromik: don't stop the motor when resetting the fdc (nw)
SDL: Allow SDL_LIBVER to be overridden without modifying sdl.mak
SDL: experimental rework of buffer size calculation. (nw)
do not set define HAS_OPENMP when makefile define OPENMP is set - fixes warning about macro redefinition
ignore *.bat (nw)
only calculate m_aspect and m_srcaspect in layout_view::recompute() when they are actually used (nw)
Clean up .gitattributes
Fixed cchance and champbwl validation (nw)