Update third_party/psutil and fix the licence issue with it.

third_party/psutil/docs/BUILDING.txt

Index: third_party/psutil/docs/BUILDING.txt
diff --git a/third_party/psutil/docs/BUILDING.txt b/third_party/psutil/docs/BUILDING.txt
new file mode 100644
index 0000000000000000000000000000000000000000..14dc8a13f03749fb2cb7f3d31f536623001484f0
--- /dev/null
+++ b/third_party/psutil/docs/BUILDING.txt
@@ -0,0 +1,37 @@
+_OS X_
+INSTALL FROM SOURCE
+    python setup.py install
+
+
+CREATE AN INSTALLER PACKAGE
+		#NOTE: this requires bdist_mkpkg utility to create the binary installer
+		# http://pypi.python.org/pypi/bdist_mpkg/
+		#
+    # --open opens the installer after build
+    bdist_mpkg --license LICENSE --readme HISTORY 
+
+    # build for older Python
+    /Library/Frameworks/Python.framework/Versions/2.5/bin/bdist_mpkg
+
+
+CREATE A DMG OF THE INSTALLER
+  # fill in directory/filenames as appropriate for srcfolder, volname
+  # and the output dmg file
+  hdiutil create -fs HFS+ -srcfolder psutil-0.1.1-py2.6-macosx10.4.mpkg -volname psutil-0.1.1 psutil-0.1.1-py2.6-macosx10.4.dmg
+
+
+UPLOAD TO GOOGLE CODE
+  # fill in summary and file name
+  googlecode_upload.py -s "Python 2.6 OS X Installer/Binary distribution" -p psutil dist/psutil-0.1.1-py2.6-macosx10.4.dmg
+
+
+__WINDOWS__
+INSTALL FROM SOURCE
+
+  # if Visual studio
+  python setup.py install
+
+  # mingw
+  python setup.py build -c mingw32
+
+