Title: fc_port: several fixes for the perfometer to display the right values
Level: 1
Component: checks
Version: 1.2.5i5
Date: 1405078401
Class: fix

The perfometer for this check did not display the out traffic, did not use the
maximum bandwith to display throuput in percent, and did not work when
averaging was switched on. These problems have been fixed in this werk.
