field with an operation field.
* gegl/gegl-plugin.h:
* gegl/gegl-types.h:
* gegl/graph/Makefile.am:
* gegl/graph/gegl-node-context.c:
* gegl/graph/gegl-node-context.h:
* gegl/graph/gegl-node.c: 
* gegl/graph/gegl-node.h:
* gegl/graph/gegl-operation-context.c:
* gegl/graph/gegl-operation-context.h:
* gegl/operation/gegl-operation-composer.c:
* gegl/operation/gegl-operation-filter.c:
* gegl/operation/gegl-operation-point-composer.c:
* gegl/operation/gegl-operation-sink.c:
* gegl/operation/gegl-operation-source.c:
* gegl/operation/gegl-operation.c:
* gegl/operation/gegl-operation.h:
* gegl/operation/gegl-operations.c:
* gegl/process/gegl-cr-visitor.c:
* gegl/process/gegl-debug-rect-visitor.c:
* gegl/process/gegl-eval-mgr.c:
* gegl/process/gegl-eval-visitor.c:
* gegl/process/gegl-processor.c:
* operations/common/introspect.c:
* operations/common/load-buffer.c:
* operations/common/magick-load.c:
* operations/common/open-buffer.c:
* operations/common/raw-load.c:
* operations/common/remap.c:
* operations/core/clone.c:
* operations/core/crop.c:
* operations/core/nop.c:
* operations/core/shift.c:
* operations/workshop/rawbayer-load.c:

svn path=/trunk/; revision=2471