RHBZ1323521: pmcd agent auto-restart
RHBZ1323521: pmcd agent auto-restart

A few lines of code in pmcd's ClientLoop allow it to connect the
preexisting flags that detect recent agent malfunctions to the
preexisting code to trigger agent restarts.  In this case, the
automatic restarting is limited once per minute.

adfernandes/pcp,wuliming/pcp,wuliming/pcp,wuliming/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,wuliming/pcp,adfernandes/pcp,wuliming/pcp,wuliming/pcp,wuliming/pcp,wuliming/pcp