STOCKHOLM, Sept 17 (Reuters) - EQT has agreed to buy Italian online real estate classifieds group Casa.it from Oakley Capital, priyeshmb.hpage.com the Swedish private equity group said on Thursday, marking its second acquisition in the sector in a week. Last week EQT announced the acquisition of Madrid-based online real estate ads platform Idealista for 1.3 billion euros. "EQT will support Casa.it's...