Other code cleanups and extracted methods.

Jean-Noel Rouvignac

03.12.2014 acb89043d88330d28394c2be0e689632fe1fe8ea

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user-friendly-name=Prove\u00efdor de sincronitzaci\u00f3
user-friendly-plural-name=Prove\u00efdors de sincronitzaci\u00f3