a590 updates from nafraf in http://chdk.setepontos.com/index.php?topic=650.msg103397#msg103397
- capt_seq.c using code_gen
- fix CAMERA_MIN_DIST/CAMERA_MAX_DIST
- Enabled REMOTE_SYNC_STATUS_LED
Fix Tv override not working for highest value when using 'Ev Step' mode.
Reported by CallMeLzo - http://chdk.setepontos.com/index.php?topic=10469.msg103416#msg103416