title: Can't install FacultyStaffDirectory on Plone 4.1
body: <p>I am using Plone 4.1 and FacultyStaffDirectory 3.0. My buildout failed with an error (archetypes.schema &lt; 2.1) so I pinned archetypes.schemaextender = 2.0.3 and I was able to install the FSD 3.0. However, when I try to activate it from the Add-ons page I get the following error: </p>
  
  <pre><code>Traceback (innermost last):
  Module ZPublisher.Publish, line 126, in publish
  Module ZPublisher.mapply, line 77, in mapply
  Module ZPublisher.Publish, line 46, in call_object
  Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 575, in installProducts
  Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 512, in installProduct
    __traceback_info__: ('FacultyStaffDirectory',)
  Module Products.GenericSetup.tool, line 323, in runAllImportStepsFromProfile
    __traceback_info__: profile-Products.FacultyStaffDirectory:default
  Module Products.GenericSetup.tool, line 1074, in _runImportStepsFromContext
  Module Products.GenericSetup.tool, line 245, in getSortedImportSteps
  Module Products.GenericSetup.tool, line 251, in getImportStepMetadata
  Module Products.GenericSetup.registry, line 295, in getStepMetadata
  Module Products.GenericSetup.utils, line 104, in _resolveDottedName
    __traceback_info__: Products.FacultyStaffDirectory.setuphandlers.unindexFSDTool
  Module None, line 3, in &lt;module&gt;
  
  ImportError: cannot import name DEFAULT_POLICIES
  </code></pre>