title: OpenERP trunk server gives import Error psutil
body: <p>I download trunk version of OpenERP from lauchpad. When i start server it's gives following error</p>
  
  <p>Traceback (most recent call last):
    File "./openerp-server", line 2, in 
      import openerp
    File "/home/jack/trunk/trunk-server/openerp/<strong>init</strong>.py", line 72, in 
      import http
    File "/home/jack/trunk/trunk-server/openerp/http.py", line 37, in 
      from openerp.service import security, model as service_model
    File "/home/jack/trunk/trunk-server/openerp/service/<strong>init</strong>.py", line 28, in 
      import server
    File "/home/jack/trunk/trunk-server/openerp/service/server.py", line 10, in 
      import psutil</p>
  
  <p>ImportError: No module named psutil</p>