By Michael Georgy and Tom Perry DUBAI (Reuters) – A prominent Sunni cleric who directed unprecedented criticism at Iran’s supreme leader over a bloody crackdown in his hometown appeared unbowed this week by warnings from security forces, pressing his demands for more rights for his minority and voicing support for other groups in country-wide unrest. Molavi Abdolhamid has long been a dissenting voice seeking better living standards and more political representation for the Sunni minority in the mostly Shi’ite Islamic Republic, including the Baluchi ethnic group to which he belongs and the Kurd…