[gegl/gsoc2011-opencl] (16 commits) ...Merge remote-tracking branch 'origin/master' into gsoc2011-opencl

[Victor Matheus de Araujo Oliveira <vmaolive src gnome org>]

Summary of changes:

  745352c... chant: silence gcc (*)
  ff51dba... operations: Fix set but unused variables which gcc (*)
  9d114d9... exp-combine: remove unused variable (*)
  d18db72... demosaic-simple: Remove unused variable (*)
  118ff15... map_absolute: coding style + simplification + more precise  (*)
  e405366... add a map_relative operator (*)
  5e49d73... map-relative: add a scaling factor property (*)
  1d83ff2... s/_/-/ in op filenames (*)
  147fd05... buffer: tile-backend-file replaced defines for file modes w (*)
  4d2c3a5... docs: update contribute.html (*)
  4b3d683... fix typos (*)
  11f25c2... Remove S_*GRP and S_*OTH bit flags for file access on the W (*)
  3302521... jpg-save: Add support for saving JPEG images (*)
  4388fc0... jpg-save: Add optimize property (*)
  f5f6216... GeglView: Remove unused event handling and public API (*)
  dd83380... Merge remote-tracking branch 'origin/master' into gsoc2011-

(*) This commit already existed in another branch; no separate mail sent