bug 744519 - mplement memory-pressure flag to react quicker to memory pressure, without waiting for event loop r=gsvelto
Backed out changeset 9f446888b2d2 (bug 941868)
Backed out changeset 192103a30df7 (bug 941868)
Bug 932999 - Color-corrected versions of the Metro download icons

DONTBUILD (Metro-only, image-only change)
Backout 4e7de85bedc2, ceb1e4a434a0, Adding context menus back r=wesj