Add xcode8 to the build matrix for all platforms
Add xcode8 to the build matrix for all platforms

ikesyo/Quick,marciok/Quick,DanielAsher/Quick,phatblat/Quick,phatblat/Quick,jeffh/Quick,jeffh/Quick,dgdosen/Quick,dgdosen/Quick,DanielAsher/Quick,phatblat/Quick,ikesyo/Quick,marciok/Quick,ikesyo/Quick,marciok/Quick,dgdosen/Quick,Quick/Quick,Quick/Quick,Quick/Quick,jeffh/Quick,Quick/Quick,phatblat/Quick