Merge pull request #2 from darktable-org/master

aggiornamento
Merge remote-tracking branch 'upstream/master'
OSX packaging: support upcoming macports release (2.3)

which promises correct implementation of macosx_deployment_target
Italian translation updated
Merge pull request #532 from bartokk/master

Italian translation updated
Drop iop anlfyeni (dead code, not even being compiled)
Drop iop shrecovery (dead code, not even being compiled)
Remove stale lines about long removed modules
Fixing uninitialized accesses to params memory

The denoiseprofile commit_params was (wrongly) relying on the GUI.
And overexposed didn't do (dummy) initialization.
It was breaking cache, which access parameters anyway.
Basecurve: defaults to logarithmic scale

And adjust mouse scrolls to that scale
Lens: pre-exposure, mozaicaized-enabled, auto-setup