noise profile: nikon d300s by christte
rawspeed: preliminary Nikon Coolpix A support
Merge branch 'master' of https://github.com/darktable-org/darktable
usermanual: proofreading of chapter 3 "basic group" thanks to Mark Garrow
usermanual: add warning about config parameter opencl_async_pixelpipe

thanks to hal for pointing out
tranlation: new japanese by a3novy