[gegl] Created tag GEGL_0_4_2

[Øyvind Kolås <ok src gnome org>]

The unsigned tag 'GEGL_0_4_2' was created.

Tagger: Øyvind Kolås <pippin gimp org>
Date: Wed May 16 13:33:13 2018 +0200

    0.4.2

Changes since the last tag 'GEGL_0_4_0':

Daniel Korostil (1):
      Update Ukrainian translation

Debarshi Ray (1):
      build: Abort as soon as autoreconf fails

Dimitris Spingos (Δημήτρης Σπίγγος) (1):
      Update Greek translation

Ell (18):
      color-overlay: fix license notice
      spherize: fix license notice
      operation: fix area-filter bounding-box and invlidated-by-change calc.
      operation: add GeglOperationAreaFilter::get_abyss_policy() vfunc
      operations: implement GeglOperationAreaFilter::get_abyss_policy() ...
      gegl: handle UINT properties in gegl-xml and gegl-serialize
      Bug 795597 - gegl crashes for a race ...
      buffer: prevent mipmapped tiles from being voided during reconstruction
      buffer: add GeglTileBackendBuffer
      operation: use GeglTileBackendBuffer in gegl_operation_context_dup_input_maybe_copy()
      noise-rgb: gummify + fix
      buffer: emit "changed" signal upon GeglTileBackendBuffer VOID command
      buffer: don't use cached sampler for gegl_buffer_sample[_at_level]()
      cubism: use sampler object instead of gegl_buffer_sample()
      plasma: use sampler object instead of gegl_buffer_sample()
      lens-distortion: use sampler object instead of gegl_buffer_sample()
      plasma: don't use a sampler + fix + speedup
      buffer: improve thread-safety of tile-storage hot-tile manipulation

Franz Brausse (2):
      operations/external/ff-save: ffmpeg-4.0 compat; fixes #795625
      operations/external/ff-save: ffmpeg-2.3-2.7 compat; minimum lav{f,c} versions configure.ac mandates

Jehan (1):
      configure: remove some obsolete autoconf variables.

Jordi Mas (2):
      Update Catalan translation
      Update Catalan translation

Marco Ciampa (1):
      Updated Italian translation

Sebastian Pipping (1):
      Run ff-load-save image tests only when gegl-video is around

Øyvind Kolås (13):
      post release version bump
      panorama-projection: opt out of base-class multi-threading
      panorama-projection: re-enable autothreading
      ff-save: update another occurance of CODEC_FLAG_GLOBAL_HEADER
      workshop: make more use of GeglSampler in inpainting ops
      workshop/gluas: use samplers for aux/in buffer sampling
      buffer: speed up NEAREST gegl_buffer_sample
      configure: depend on babl 0.1.48
      configure: default CFLAGS to -Ofast
      NEWS: update
      NEWS: mention performance improvement to panorama-projection
      perf: Makefile-tests fix for building with 0.4
      release 0.4.2