Group holidays – once thought of as being stuck on a tour bus with a crowd of strangers – evolved in the past few decades as a premiere option for exclusive getaways with families and friends. It’s not simply the Jennifer Anistons and Courtney Coxes of the world renting villas with their BFFs. Today, from extended family getaways to girl’s weekends to guy getaways (now dubbed “bro-cations”) people realize increasing…