Add psutil build step to fix pyauto media issues. Upgrade psutil to 0.4.0.

third_party/psutil/HISTORY

 Bug tracker at http://code.google.com/p/psutil/issues
 
-0.3.1 - XXXX-XX-XX
+0.4.0 - 2011-10-29
 ------------------
 
 NEW FEATURES
 
  * Issue 150: network I/O counters. (OSX patch by Jeremy Whitlock)
+ * Issue 154: (FreeBSD) add support for process getcwd()
+ * Issue 157: (Windows) provide installer for Python 3.2 64-bit.
  * Issue 198: Process.wait(timeout=0) can now be used to make wait() return
    immediately.
  * Issue 206: disk I/O counters. (OSX patch by Jeremy Whitlock)
+ * Issue 213: examples/iotop.py script.
+ * Issue 217: Process.get_connections() now has a "kind" argument to filter
+   for connections with different criteria.
+ * Issue 221: (FreeBSD) Process.get_open_files has been rewritten in C and no
+   longer relies on lsof.
+ * Issue 223: examples/top.py script.
+ * Issue 227: examples/nettop.py script.
 
 BUGFIXES
 
  * Issue 135: (OS X) psutil cannot create Process object
  * Issue 144: (Linux) no longer support 0 special PID.
  * Issue 188: (Linux) psutil import error on Linux ARM architectures.
+ * Issue 194: (POSIX) psutil.Process.get_cpu_percent() now reports a percentage
+   over 100 on multicore processors.
  * Issue 197: (Linux) Process.get_connections() is broken on platforms not
    supporting IPv6.
  * Issue 200: (Linux) psutil.NUM_CPUS not working on armel and sparc
    architectures and causing crash on module import.
  * Issue 201: (Linux) Process.get_connections() is broken on big-endian
    architectures.
  * Issue 211: Process instance can unexpectedly raise NoSuchProcess if tested
    for equality with another object.
+ * Issue 218: (Linux) crash at import time on Debian 64-bit because of a missing
+   line in /proc/meminfo.
+ * Issue 226: (FreeBSD) crash at import time on FreeBSD 7 and minor.
 
 
 0.3.0 - 2011-07-08
 ------------------
 
 NEW FEATURES
 
  * Issue 125: system per-cpu percentage utilization and times.
  * Issue 163: per-process associated terminal (TTY).
  * Issue 171: added get_phymem() and get_virtmem() functions returning system
@@ skipping 202 matching lines @@
    WindowsError.
  * Issue 30: psutil.get_pid_list() was returning two instances of PID 0 on OS
    X and FreeBSD platforms.
 
 
 0.1.0 - 2009-01-27
 ------------------
 
  * Initial release.