[gegl] (18 commits) Created branch meta-json

[Jon Nordby <jonnor src gnome org>]

The branch 'meta-json' was created.

Summary of new commits:

  8db005e... meta-json: Add initial GeglOperationMetaJson baseclass
  c0bb29d... meta-json: Add initial json operation module
  e889e76... meta-json: Add to build, depend on glib-json
  076b754... meta-json: Add initial test subgraph
  66d146e... meta-json: Add initial test case
  31056d3... meta-json: Can set up initial proper
  cdf436d... meta-json: Can instantiate nodes
  e592abb... meta-json: Can connect nodes of subgraph
  a41af3c... meta-json: Can redirect properties
  b17e21b... meta-json: Can set initial properties from file
  49f6a77... meta-json: Add a trivial testcase
  129da20... meta-json: Can forward property changes
  aee4200... TEMP: hack makefiles to only run my testcase
  32a4a2d... TEMP
  9487fd9... TEMP
  cb16441... gegl-init: Split out module directory logic to function
  1da763a... gegl-color: Make gegl_param_spec_color_get_default() public
  cc34926... meta-json: Follow normal module paths for loading