finsig_dryos: fix locating interrupt related functions on later DryOS revisions
ixus132_elph115: fix jpeg distortion correction not being applied
Cleanup module_exportlist.c file comments and content. 
Update makeexport.c code to remove unused sections.
Improved ALT mode support for scripts from waterwingz:
http://chdk.setepontos.com/index.php?topic=11962.msg117387#msg117387