[gegl] (95 commits) Non-fast-forward update to branch wip/pippin/pipeline

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

The branch 'wip/pippin/pipeline' 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:

  e0585e9... buffer: add new iterator api that can take more buffers
  0641b0c... gegl: add pipeline infrastructure
  ed78030... gegl: add pipeline storage to opcontext
  6223ed2... gegl: replace processing in point ops with pipeline

Commits added to the branch:

  2e0f423... Update Spanish translation (*)
  7b05780... operations: annotate angle properties with "direction" ui-m (*)
  3248572... motion-blur-circular: fix "angle" property range (*)
  ef13a5b... Updated Spanish translation (*)
  ddefb28... Update Spanish translation (*)
  5c1f698... Update Spanish translation (*)
  6350185... Update Spanish translation (*)
  b8e5082... Update Spanish translation (*)
  e6512cd... Updated Italian translation (*)
  ff0ff63... Update Spanish translation (*)
  43979a0... Update Spanish translation (*)
  31ee079... median-blur: add "abyss-policy" property (*)
  ef6a3e9... long-shadow: add new operation to workshop (*)
  d13895e... long-shadow: fix buffer overflow; add "needs-alpha" key (*)
  e4ac3f4... Update Spanish translation (*)
  da936ec... long-shadow: fix finite shadow accumulation (*)
  1d4f11d... Update Russian translation (*)
  bf846ec... Added Slovenian translation (*)
  14399fe... Update Polish translation (*)
  b46a008... long-shadow: indentation fix (*)
  1fad8a7... long-shadow: avoid writing preprocessing rows to output buf (*)
  46fbf15... long-shadow: fix output for level > 0 (*)
  a36e6fa... Update Swedish translation (*)
  827d5b0... Update Swedish translation (*)
  a5ce7c7... long-shadow: various fixes and improvements (*)
  59d3b76... long-shadow: move from workshop to common (*)
  d16ed56... long-shadow: add reference hash (*)
  95b0f79... long-shadow: process output in-place (*)
  02a1288... Updated Slovenian translation (*)
  4241b0f... buffer: fix potential race condition during tile-swap entry (*)
  3275239... buffer: in GeglTileBackendSwap, move reused OP_DESTROY to t (*)
  5a8c84e... buffer: always increase revision of duplicate tiles, even e (*)
  f6b5b17... buffer: don't store empty tiles in the swap (*)
  7ab21c1... configure: depend on babl 0.1.56 (*)
  76c5f69... buffer: improve swap backend shutdown (*)
  9bd3d35... little-planet: fix reference composition, and add a compat- (*)
  33fef8a... Update MSGID_BUGS_ADDRESS in po/Makevars (*)
  9463fe1... examples: update lua/gobject introspection draft (*)
  14fc796... bin: update with api changes in mrg (*)
  0ba3d30... NEWS: update (*)
  c5c8198... Update German translation (*)
  17b34df... configure: add warning about enabling of workshop to --help (*)
  d9cec1c... update NEWS (*)
  4d634fe... release 0.4.6 (*)
  5488b28... post release version bump (*)
  c504571... buffer: add GEGL_TILE_COPY tile-source command (*)
  44c258b... buffer: use TILE_COPY in gegl_buffer_copy() (*)
  e9dce12... buffer: implement TILE_COPY in the cache handler (*)
  185f445... buffer, stats: implement TILE_COPY in the swap backend; cle (*)
  04011ae... buffer: implement TILE_COPY in the buffer backend (*)
  6402178... buffer, stats: limit maximal pending data size in the swap  (*)
  30047e6... buffer: add gegl_tile_backend_command(); pre-0.4.10 compati (*)
  35806a4... buffer: use gegl_tile_backend_command() in tile backends (*)
  627d9bc... Update Russian translation (*)
  525f9ef... text: fix bounding box when wrap-height is specified (*)
  7febad8... long-shadow: add "fading-fixed-length" and "fading-fixed-ra (*)
  c1c3541... exr-save: avoid hard-coding Imath_2_2 name space (*)
  dc32b35... color-overlay: fix output for semi-transparent color parame (*)
  52dfeb5... Update Polish translation (*)
  74a673c... long-shadow: add midpoint parameter to finite fading styles (*)
  828597e... long-shadow: fix accelerating fading-fixed-length shadow va (*)
  7db4671... Update Spanish translation (*)
  0c6eb26... tests: do not let test-svg-abyss failing break build (*)
  2f24517... mosaic: fix typo in output pad (*)
  e7389bd... reference hash updates (*)
  1b68392... reference hash updates (*)
  b0f1fb5... snn-mean: update reference hash (*)
  4386984... Update Polish translation (*)
  42b6d13... alien-map: update reference hash (*)
  69ced71... tests: bail out of simple svg test earlier (*)
  cdbdd94... invert-gamma: update reference hash (*)
  722f8d2... Updated Italian translation (*)
  d77fd17... Fix the type casts for babl_space_from_icc (*)
  bbbf18e... Update Spanish translation (*)
  c3c9b63... buffer,opencl: split opencl code from GeglBuffer (*)
  6638803... build: patch up breakage introduced in prior commit (*)
  6f5df0c... transform: fix build with moved internal headers (*)
  e3b29ef... buffer: add gegl_buffer_flush_ext (*)
  66dd86d... buffer: move non-sampler scaling algorithms into buffer (*)
  79ca164... buffer: add new iterator api that can take more buffers
  b1c520a... gegl: add pipeline infrastructure
  7ec2c86... gegl: add pipeline storage to opcontext
  2c5c828... gegl: replace processing in point ops with pipeline
  7410eab... gegl-buffer-iterator2: consolidate allocation into one
  7fd11c2... privatly expose nodes private struct, to split some possibl
  fa72ece... pipeline update
  3c0422a... context update
  20f4357... ops update
  c45224d... pipeline segfault fix
  9cdf93c... pipeline: add pipeline destroy
  8d9ba66... ops update
  8c10bcf... pipeline: do in-place processing on matching formats
  d8829e0... disable and move debug output to non-threaded spot
  9172bbb... reduce debug spew
  8d5e46b... fnord

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