By Nick Tattersall and Ece Toksabay ISTANBUL (Reuters) - Turkish Prime Minister Tayyip Erdogan's AK Party on Saturday ruled out early elections as tens of thousands of anti-government demonstrators defied his call for an immediate end to protests. Huseyin Celik, deputy chairman of the Justice and Development (AK) Party founded by Erdogan just over a decade ago, said local and presidential elections would be held next year as planned, and a general election in 2015. "The government is running like clockwork. ...