Move altosui to the top level, placing libaltos inside it. Signed-off-by: Keith Packard <keithp@keithp.com>
altosui: Add windows installer build using 'nsis' nsis happens to be packaged in debian, and it appears to build usable installers, which is all very cool. Signed-off-by: Keith Packard <keithp@keithp.com>