Bug 1068355 - OdinMonkey: tidy up some names and comments (r=bbouvier)

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extra : rebase_source : a6310cb7a837982912cfa9f552a920dda9515af1
Bug 1068355 - OdinMonkey: tidy up function call codegen (r=dougc)

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extra : rebase_source : 3d3ac4179d92691e757b29b0d12b70725c93ab3f