Bug 990045 - focusNextFrame should special-case panels and notificationpopups, with the latter getting noautofocus by default, r=Enn, f=MarcoZ

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extra : rebase_source : a0fe3fba430301560433db3dbb825d5bbd7bfb9b
Bug 1034999 - fix XUL cache and overlay system to ignore refs/hashes, r=smaug,mossop