[gtk+/quartz-integration] (15 commits) ...Merge branch 'master' into quartz-integration

[John Ralls <jralls src gnome org>]

Summary of changes:

  4ead7b6... Switch to g_format_size() (*)
  5a1f371... cssprovider: Fix names for first and last child pseudo clas (*)
  4f5e69f... tests: Fix whitespace between url and ( (*)
  d314709... tests: Declare previously invalid CSS as valid now (*)
  9e36bea... styleproperty: An unnamed engine equals the default engine (*)
  b0b287f... themingengine: Use the default way of indicating privates (*)
  a02b820... tests: Remove unused file from EXTRA_DIST (*)
  b3f03d0... roundedbox: Clamp border radius to box size (*)
  db66618... reftests: Add test for border radius clamping (*)
  5a1e157... styleproperty: dump image surfaces as PNG data URLs (*)
  72bc10a... css: Ensure that font shorthand parsing sets font name and  (*)
  9062060... css: Don't print both border-image-repeat values when they' (*)
  47635a2... themingengine: Return NULL for nonexistant theming engines (*)
  d56e8c8... tests: Move declaration tests to new test infrastructure (*)
  12908a7... Merge branch 'master' into quartz-integration

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