Fix minor typo to name and port range

Typo on the name of the FaceTime shape rule, and missing 1 from Google
Talk port range.
Correct log prepending value
Be more explicit
Some device names are bigger now (eg vtnet, ixgbe, cxgbe)
find_dhclient_process() returns an int, not string
Implement a function to kill dhclient process, sometimes it takes a little time to die, so use a sleep(1) there
Make sure dhclient is not running before start it, it fixes console interface setup when interface is using dhcpv4. It should also help #3482
Merge pull request #1273 from fsSnowboard/master
Put some more statistics and the user that gets connected now that we can
Also here be more strict on checking to return proper result
Also here be more strict on checking to return proper result. (some missed from previous commit)
Actually roll this back since it was a testing glitch