[gegl] (44 commits) Non-fast-forward update to branch wip/nielsdg/null-marshallers

[Øyvind "pippin" Kolås <ok src gnome org>]

The branch 'wip/nielsdg/null-marshallers' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  17fe7ce... Use NULL c_handler for "simple" GObject signals

Commits added to the branch:

  6a7b2f1... docs: fix a typo (*)
  fd9e903... buffer: use g_usleep instad of g_thread_yield on tile conte (*)
  19cd85c... buffer: fix integer overflow in u32 blit scaler (*)
  4502894... buffer: add code paths for 5,6 and 12bpp in nearest scaler (*)
  7a16f80... Update Polish translation (*)
  4ee170b... Update Catalan translation (*)
  c74b402... gegl: use g_ascii_strtod in chain parser (*)
  58a8159... examples: s/g_strtod/g_ascii_strtod/ (*)
  7ea18c0... bin: s/g_strtod/g_ascii_strtod/ (*)
  86c3fa1... depend on babl-0.1.76 (*)
  28aedb4... NEWS: update (*)
  d528f15... Update Spanish translation (*)
  4b04f4e... hue-chroma: Fix artifacts in when operating on gray (*)
  52f8836... hue-chroma: simplify no chroma condition, and use fabsf (*)
  fca93e5... NEWS: update (*)
  5d2259b... newsprint: remove custom math functions (*)
  0aecbad... absolute: remove custom inlined fabs (*)
  a45dae0... shadows-highlight-correction: remove custom inlined fabsf (*)
  b84e7c6... gegl: add gegl-math.h inlinable overrides for some math fun (*)
  216d5ad... distance-transform: use single precision math functions (*)
  a3c57eb... gegl: include math.h in headers used by ops (*)
  7e0e8a5... operations: do not include <math.h> directly (*)
  70fe054... Update Catalan translation (*)
  03f5115... Updated Danish translation (*)
  0846a4c... Update NEWS.txt (*)
  0da8191... Add Croatian translation (*)
  643b47e... Update Spanish translation (*)
  6f4a47c... Update Spanish translation (*)
  c7d96c0... graph: fix graph-node gegl_node_get_{producer,consumers}()  (*)
  3ff1e27... graph: clear child nodes when setting node operation (*)
  a4a8306... mix, piecewise-blend: add "compositors:blend" categories (*)
  68478b7... levels: don't limit value-range of props (*)
  9cc7976... bloom: change "amount" property to "threshold" (*)
  59fd2d1... lens-blur: new operation in common-cxx (*)
  a6a2431... focus-blur: allow using lens-blur as an alternative to gaus (*)
  cea57cf... {lens,focus}-blur: use "range-label" ui-meta for the range  (*)
  08da269... Updated Italian translation (WIP) (*)
  f534627... Update Ukrainian translation (*)
  9edb383... Update Spanish translation (*)
  443698b... Updated Italian translation (*)
  2de026d... Update Russian translation (*)
  2948033... lens-blur: fix out-of-bounds read (*)
  4c943d5... Update Polish translation (*)
  3cffc84... Use NULL c_handler for "simple" GObject signals

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