pfSense

Merge pull request #787 from phil-davis/master

Provide get_uptime_sec in a common include file

Show a count of the CPUs if more than one is detected, and show how those CPUs are supplied by the hardware.

Call get_uptime_sec from functions.inc.php

to avoid code duplication

Some more tweaks to state and mbuf update/output on dashboard widget.

Add a meter for states, too

Fixup mbuf stats function

Make mbufs update via ajax

Fix an occasional "blank" cpu freq printing that shouldn't happen.

Use exec directly instead of exec_command

Fix and improve swap_usage()

- Fix a typo on awk syntax
- Use php functions to extract desired value from swapinfo output