fixed import problem with external dependencies, thanks Corne Dickens

VERSION

@@ -1 +1 @@
-Version 2.00.0 (2012-06-28 09:37:40) dev
+Version 2.00.0 (2012-06-28 09:54:19) dev

applications/examples/views/default/who.html

@@ -47,6 +47,7 @@
 </li><li>Christian Foster Howes (GAE support)
 </li><li>Christopher Smiga (Informix)
 </li><li>CJ Lazell (tester)
+</li><li>Corne Dickens (import mechanism)
 </li><li>Craig Younkins (Security)
 </li><li>Daniel Lin (Taiwanese internationalization)
 </li><li>Dave Stoll (DowCommerce payment API)

gluon/admin.py

@@ -7,6 +7,7 @@ Utility functions for the Admin application
 ===========================================
 """
 import os
+import site
 import sys
 import traceback
 import zipfile
@@ -434,6 +435,7 @@ def upgrade(request, url='http://web2py.com'):
 
 def add_path_first(path):
     sys.path = [path]+[p for p in sys.path if (not p==path and not p==(path+'/'))]
+    site.addsitedir(path)
 
 def create_missing_folders():
     if not global_settings.web2py_runtime_gae: