GLOBAL MARKETS-Strong US jobs lift European stocks, dollar rally pauses

* European stocks extend gains; weak euro helps* Weak German data fuels ECB QE expectations, lifts bonds* Dollar index near 4-year high on solid U.S. payroll gains* Brazil&aposs Rousseff faces run-off electionBy Emelia Sithole-MatariseLONDON, Oct 6 (Reuters) - European equities advanced while the dollar paused after a sharp rally last week as forecast-beating U.S. jobs data eased concerns about gl