Add a description to Reachability objects; this gives better output when doing 'po <object>' while debugging.
Add a description to Reachability objects; this gives better output when doing 'po <object>' while debugging.

sambame/Reachability,yimouleng/Reachability,chewyong/MyCocoaPodsTest,tonymillion/Reachability,AdLyft/Reachability,SampleLiao/Reachability,wuchaofei/Reachability,albertbori/Reachability,orta/Reachability,cnbin/Reachability,xingfukun/Reachability,tringkishorekumar/Reachability,sdonly/Reachability,ashfurrow/Reachability,Phelthas/Reachability,johnmyqin/Reachability,mwkirk/Reachability,so-ixc/Reachability,webcrawler/Reachability,JixinZhang/Reachability,jum/Reachability,SummerHF/Reachability,yaoxiaoyong/Reachability,liwangbest/Reachability,RobotsAndPencils/Reachability,809848367/Reachability,chengkaizone/Reachability,HSFGitHub/Reachability,yangshuai930319/Reachability,iguchunhui/Reachability,christophercotton/Reachability,sandyway/Reachability,webconnex/Reachability,qx/Reachability