cinepaint: making it run (missing rpath)
mopidy: Update to 0.12.0
darktable: Add 1.2-RC1 as darktable12
guile: adding a patch to allow guile builds without chroots

Otherwise, the NSS troubles may make a test fail.

Patch suggested by ludo.
libffi: upgrade to 3.0.13
glibc: hurd: apply none of the patches