Bug 471713 - Uncomment the sys.exit() in error() in the script to generate documentation for SpiderMonkey opcodes.  r=jwalden

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extra : rebase_source : 488896716573a7309de239485a1cea268675e97c
Add a comment next to XDR_BYTECODE_VERSION directing people changing it to update the bytecode docs wiki page as well.  No bug, r=trivial
Bug 1019334 - Require that Init be called on a newly-constructed TypedArray struct to use it.  r=bz