Minor uptade in French usermanual
Update French usermanual
Merge branch 'master' of https://github.com/darktable-org/darktable
Update French usermanual
Merge branch 'master' of https://github.com/darktable-org/darktable
Proofreading of the French user manual (the first 50 pages)
Merge branch 'master' of https://github.com/darktable-org/darktable
Proofreading of the entire French user manual
Merge branch 'master' of https://github.com/darktable-org/darktable
Merge branch 'master' of https://github.com/darktable-org/darktable
rawspeed: Panasonic GF5 aspect ratio modes

samples kindly provided by Pavel Nakonechny
Merge pull request #777 from michleb/master

Proofreading of the entire French usermanual
fix bug #9742 (zoom combobox has no immediate effect on OS X)
OSX HiDPI: fix most places, central DR view is still broken
OSX HiDPI: revert changes to map.c from last commit

since osmgpsmap will draw pixelated map anyway
OSX HiDPI: fix logo in bg of zonesystem
OSX HiDPI: fix slideshow view
OSX HiDPI: return correct mipmap level for HiDPI screens
OSX HiDPI: fix central DR view
OSX HiDPI: update package building instructions