Remove code commented out with mask implementation.

Add tooltip for documentation purpose of the spot iop.
Update french translation.
curve : fix some artefacts bug #9414
masks : small usability enhancements

smaller step for resize with mouse wheel
add multi instance name to the name of the masks groups
prevent accidental moving of corners when clicking on it
masks and blending: make sure new blend mode NORMAL2 is used as default
colorcorrection: warm tone preset and cleanup
(cherry picked from commit aa827ebcd6f1e90b1856921e5b7e1483eb341d9d)
atrous: chroma denoise should be confined to the fine end of the scale
(cherry picked from commit cdb08b9747237b485222410d8010239fad05654c)
update fuzzy pt_BR
Merge pull request #231 from guitorri/update_pt_BR

update fuzzy pt_BR
noise profile: new D7100 by swimmer
masks curve : ctrl-click change sharp/smooth node
lens correction: sanitize exif lens data
Merge branch 'master' of ssh://github.com/darktable-org/darktable
update of dutch translations
highlights: fix an edge case where input values were right on the edge of the whitepoint.
Check params_size for the proper module.

This is a regression introduced in 1f9e0b and c04c61. The consequence is
that the params_size called was the default one. And a size mismatch was
always detected which in turns triggered the deletion of the export preset.
Merge branch 'fix-params-size-check'

* fix-params-size-check:
  Check params_size for the proper module.
spot : fix the line source->destination
circle shape : fix inside check error
spot : don't superpose source and dest on creation