Updated Brazilian Portuguese translation
coding style
introspection: add gegl_format helper

Functions to convert to/from a GValue object containing a Babl*.
introspection: add test cases for gegl_format()
operations: add mosaic.c
po: Add mosaic.c to POTFILE.in
operations: update mosaic.c's chant blurbs

and use chant_seed() for the random seed
operations: reorder mosaic's chant parameters

... in an order that makes more sense
operations: Fix a neglected color variation in mosaic.c

for the non-averaging case
operations: fix a bunch of inconsistencies in mosaic.c

And yet another bug about the alpha channel in the color-averaging case
operations: Bug 677275 - Mosaic Filter produces ugly artifacts

Use a correct segment-point distance.
operations: Rename another chant property in mosaic.c