multi instance: don't display multi name in case it's the base instance.
Fallback to linear RGB instead of sRGB

This was already the case, except that we were
showing sRGB even though in reality linear RGB
was being used
noise profile: olympus xz-2 by paul vasak
colorout: rendering intents are only honoured with lcms2 active
multi instance : avoid "0" as multi_name
Merge branch 'master' of https://github.com/darktable-org/darktable
colorout: allow lcms2 in darkroom mode
colorout: hide rendering intent when lcms isn't active
profiled denoise: fix Canon 350D model string