Update French translation.

For #9988.
lua : add a reset() function for libs
force self->widget to null when a lib's UI is destroyed
lua : add a way to easily know if a lib is displayed on the screeen
Fix infinite reprocess (FIXME: why g->reprocess_on_next_expose == TRUE ?)
IOP Exposure: Deflicker: show what exposure correction have actually been used
lua : fix tracebacks not working
adobe_coeff: Canon PowerShot G1 X Mark II support
adobe_coeff: SONY DSC-RX100M3 support
rawspeed: correct nikon d800 white point
usermanual: proofreading new stuff thanks to David Vincent-Jones
usermanual: update on the watermark module

and a few further fixes
lua : huge rework of the type API

this is needed to be able to use introspection

This should have no impact on the user
Italian translation updated
Merge pull request #598 from bartokk/master

Italian translation updated
Add support for the Pentax K100D Super and *ist D
Add a new decoder for the Leaf MOS format
Add the info for the Leaf Aptus 22
Blacklist the MOS format instead of 3FR
Don't leak memory with the XMP parsing