Bug 971108 - UITour: Update the doorhanger menu style with a footer background and primary button style. r=Unfocused

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extra : rebase_source : fbbfc8c7a6c08f224aea0a8e786bc96f120da67b
Bug 983724 - Remove unused customizeMode.menuAndToolbars.label from browser.dtd. rs=mconley over irc

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extra : rebase_source : d9179d9bbc7258fa219d400af56af3871909ef2d