MapDrawHelper: change ENABLE_SDL to USE_MEMORY_CANVAS
Event/Linux/Input: driver for Linux input devices
Screen: render to /dev/fb0 on the Kobo, without SDL
Screen/PixelOperations: use std::bit_and
Screen/PixelTraits: API documentation
Added .patch to ignore list
Merge branch 'master' of git://git.xcsoar.org/xcsoar/master/xcsoar
Merge branch 'master' of github.com:MindMil/XCSoar