usermanual: Use the proper glyph for Trademark
usermanual: add some internet links
Merge pull request #370 from MRIG/master

Updated Dutch translation
usermanual: word-dropping "local adjustments"
Merge branch 'master' of ssh://github.com/darktable-org/darktable
C&R : verify that cropping stay inside the image area
[l10n] Update German translation
Update French translation.
usermanual: last few fixes -> from now on string freeze also for the manual
Merge branch 'master' of ssh://github.com/darktable-org/darktable
[l10n] Swedish update, 'spot WB'
Updated Dutch translation