Add denoise profile for PENTAX K100D Super.
Italian translation updated
Merge pull request #579 from pedrocr/fix-a200-coeffs

Fix A200 name to avoid matching against A2 instead
Merge pull request #574 from bartokk/master

Italian translation updated
IOPs: cleanup histogram after switching images
Merge pull request #580 from LebedevRI/fix-noncurrent-histogram

IOPs: cleanup histogram after switching images
dt_histogram_worker: plain malloc is fine here
Remove a bunch of strlen()
usermanual: fix for #9978
Make introspection work for zonesystem

... by skipping array size declarations and just letting the compiler
calculate the values for us using sizeof magic.
Deflicker: mode switching: gui complete
DEFLICKER_MODE_SOURCEFILE is working?
Deflicker "Automatic" is working?
IOP Exposure: histogram - when mode is automatic, change target level
Make sure deflicker will work only for raws (at least for now)
Some fixes for issues from hanatos review
Refactor histogram-related things a bit
Note that commit_params_late is less safe than commit_params
Rework lock release
Merge pull request #536 from LebedevRI/iop-exposure-deflicker-update

IOP Exposure - deflicker update