[step/f16] (9 commits) ...Merge remote-tracking branch 'origin/f17' into f16

[Rex Dieter]

Summary of changes:

  89d792e... 4.7.80 (*)
  0a71044... pkgconfig(libqalculate) (*)
  07b57be... 4.7.90 (*)
  d1a1aa6... 4.7.95 (*)
  7b77f92... 4.7.97 (*)
  b27d33c... 4.8.0 (*)
  05a324e... cleanup, source0 snippet (*)
  7e15521... 4.8.1 (*)
  c9bad2c... Merge remote-tracking branch 'origin/f17' into f16

(*) This commit already existed in another branch; no separate mail sent