support cameras without a file counter param using CAM_FILE_COUNTER_IS_VAR
ixus140_elph130 - file counter and folder naming
ixus140_elph130 - update notes.txt for r3070
a1200 - disable raw in low light mode, from waterwingz in http://chdk.setepontos.com/index.php?topic=650.msg104875#msg104875
add camera.h defines for cameras without working raw in iso3200 or auto, set iso3200 define for d10, auto for sx240 and sx260
beta sx500is 100c + 100d port from nafraf in http://chdk.setepontos.com/index.php?topic=650.msg104861#msg104861