[gegl] (10 commits) Created branch pippin/property-keys

[Øyvind Kolås <ok src gnome org>]

The branch 'pippin/property-keys' was created.

Summary of new commits:

  9bde8c3... Add key/value property-key meta-data store for paramspecs
  fe0adb9... gegl-op.h: a new way of chanting ops
  d61880a... threshold: migrate to new op api
  a7d1987... emboss: migrate to new op api
  d0fc881... panorama-projection: migrate to new op api
  80b625d... checkerboard: migrate to new op api
  80afd55... color: migrate to new op api
  f91b469... noise-rgb: migrate to new op api
  15fdc31... layer: migrate to new op api
  b48555c... brightness-contrast: migrate to new op api