By Ece Toksabay and Daren Butler ANKARA (Reuters) -The president of top tier Turkish soccer club Ankaragucu, Faruk Koca, was arrested on Tuesday for punching a referee in the face at the end of a match, with the official telling police that Koca had threatened to kill him. The arrest followed an outbreak of violence during Super Lig club Ankaragucu’s home match against Rizespor on Monday evening. Referee Halil Umut Meler, who was also kicked while lying on the pitch, said that Koca had also threatened him and his colleagues, state-owned Anadolu news agency reported. “Faruk Koca punched me unde…