G15: loader
G15 100b: initial (untested) port

boot, capt_seq, exp_drv, kbd, lib, etc. done.
TODO: some platform_camera.h stuff, movie_rec, some lib stuff, bugs and whatnot
g15: make directory address found (and "return 1 on success" fix enabled) and some format/fixes changes from nafraf
G15: fix boot, adjust some platform_camera defines, jogdial, kbd.
g15: more defines and shooting fixes
g15: fix video button in kbd
g15: implement movie_rec task
g15: fix RAW saving, DNG basic stuff, a bunch of defines and updated notes.
g15: fix camera_set_led and related define, updated notes
G15: updated CoC value, removed useless debug and TODOs, updated notes.txt