Bug 978944 - Use Android native code pbkdf2sha256 in FxAccounts. r=rnewman,mcomella

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extra : rebase_source : 73cc0d3b480246f64a07388caafda56465039bda
Bug 967022 - Fix Gingerbread progressbar animation bustage. r=rnewman

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extra : rebase_source : 1db653efb3d0656b9208ade6859f86fb10f1be3b
Bug 983350 - Include User-Agent header for FxAccount and TokenServer requests. r=rnewman

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extra : rebase_source : cb622c61646be2752e4900fd6e480874e9ba5406