ixus120_sd940 update:
- fwt support added
- boot.c rewritten using code_gen
- CHDK loaded in ARAM
- vid_get_palette_type() and vid_get_palette_size() implemented
s5is update: 
- fwt support added
- boot.c, capt_seq.c, movie_rec.c rewritten using code_gen
Tested by koshy: http://chdk.setepontos.com/index.php?topic=11831.msg118041#msg118041