gmi.c:
Extraneous tokens were not being rejected on token retransmits
that occurred during configuration changes. The result was bad
behavior, especially with larger rings. Also cleaned up the
token retransmit timer to be deleted if necessary.

BKrev: 40f419afbeZlmKywfUpsrDkU5kMnHg


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@109 fd59a12c-fef9-0310-b244-a6a79926bd2f