The Foursquare 5.0 revamp wasn't all good news for some of the location service's most loyal fans: the design quietly scrapped the option to only see check-ins from nearby friends. After much clamoring, Foursquare has found a way to tuck it back in, starting with BlackBerry and iPhone users. A pull or a tap now filters between check-ins worldwide and just those from friends gallivanting around town -- just in case you'd rather not see your international friends enjoying the weekend before you do. Android phone o