Bug 855847 - Updated console service to give more productive error message when reentrant; r=jlebar

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extra : rebase_source : 3dfbfad2f28ee12f88c1f9bf0988e0699849a662
bug 872765 - b2g emulator package-tests, upload the tests. r=jgriffin

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extra : rebase_source : f8842b5aaa507246149ceaa1c779cd3c49e9bb87
Bug 876701 - Static analysis failure in nsMathMLsemanticsFrame.h, r=karlt
Bug 873012 - In case we use overlay scrollbars, and we run on system 10.8 or later, make them overlap in the bottom right corner, r=smichaud

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extra : rebase_source : 300f78c1230a6f91a102c032b026b1fe2455f634
Bug 873010 - Artifacts around small overlay scrollbars in select boxes, r=mstange
Bug 873010 - Artifacts around small overlay scrollbars in select boxes, r=mstange

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extra : rebase_source : 002fdce7f49d852e567438481609be58dd76bcc4
Bug 855847 - Follow-up: Add semicolon. r=me on a CLOSED TREE