QUICKSTART:
Modified quickstart guide thanks to comments from Yixiong Zou
Information about adding groups added
Information about testclm blocking until cluster membership
event occurs added.

BKrev: 40d920ffgjnZO35fZ2d947AV5TWGWQ


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@25 fd59a12c-fef9-0310-b244-a6a79926bd2f