[MacPorts] #44103: Coin: update information in the portfile, add livecheck, avoid /usr/X11R

#44103: Coin: update information in the portfile, add livecheck, avoid /usr/X11R ---------------------+------------------- Reporter: mojca@… | Owner: css@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: Keywords: | Port: Coin ---------------------+------------------- See comment:16:ticket:41786 and comment:18:ticket:41786. -- Ticket URL: <https://trac.macports.org/ticket/44103> MacPorts <http://www.macports.org/> Ports system for OS X