Bug 811264 - Use mozilla::Abs in jsnum.cpp, instead of open-coding it in ways that trigger warnings with some compilers.  Also rename IntToCString to Int32ToCString, for accuracy.  r=jorendorff

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extra : rebase_source : a138da4be25bcd8f6c7f99addb0027c4be88c413
Bug 944196 - Inlined rest-array creation in the JIT doesn't set the rest array's length.  r=shu

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extra : rebase_source : ce9433f142729b8847cf0139c8960e8a3ef5e85d