Bug 969853 - use label instead of title attribute for labels in customize palette, r=Unfocused

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extra : rebase_source : b4b9168cbf2ac80c083dce97e51739a50176b1f3
Bug 946873 - fix Australis bookmarks menu button (literal) edgecase, r=Unfocused

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extra : rebase_source : 04aa6fd21331bfe7d5f4d2f44d76680a111dc55d