Bug 889220 - update Australis customize mode header, r=mconley

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extra : rebase_source : 27986d5a91ee65ca5f9fee3a0788d7bceb776d4b
Bug 964204 - fix drag glitches in Australis panel and palette, r=mikedeboer

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extra : rebase_source : ca944ff625641f4c69141d7740d40d243b9971b4