Update to finsig_dryos.c:
- apex2us, focus_len_table & modemap detection for ixus130
- improved detection for apex2us, set_control_event, closedir & add_ptp_handler
ixus140_elph130 - implement custom palette and active bitmap buffer functions
ixus140_elph130 - update NUM_FL, notes.txt, add to autobuild
Minor update missed in revision 3084.
ixus140_elph130 - nullsub incorrect PT_PlaySound, notes.txt
Improved detection for PT_PlaySound.
Remove old signatures not needed anymore.
ixus140_elph130 - current viewport buffers for fast MD, play_sound from sig finder, fix live view in video record, cleanup kbd.c