Bug 1036186 - Reset Migration wizard no longer skips the first step to choose a browser. r=smaug.

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extra : rebase_source : ba21f0355293c08c8b97eec9082c1a77a90f5c30
Bug 1050104 - Do not return a new console object every time self.console is called on workers; r=baku

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extra : rebase_source : f259f6677662ce019b19e22e60a167f64cf47c1d