[svn] Weeks of local changes.

- Import is now non-destructive
- Parsers write output to a log file (path be specified in settings)
- databaseReset.py content been divided into separate functions which can be called for varying levels of deletion and importing
- control panel (view, template, urlpattern) added for deleting and importing
- Logins and signup fixed
- CaveArea model updated, view, hierarchical url patterns, and beginning of template added
- New site style
Copied from http://cucc@cucc.survex.com/svn/trunk/expoweb/troggle/, rev. 8324 by cucc @ 5/3/2009 5:56 AM

templates/registration/activation_email.txt

@@ -1,3 +1,10 @@
-Activate your account in {{ expiration_days }} days...
-{{ URL_ROOT }}{% url registration_activate activation_key %}
+Hello,
 
+Glad you're joining the CUCC EXPO team! Please go to
+
+{{ site }}{% url registration_activate activation_key %}
+
+to activate your account. Do this within {{ expiration_days }}, or else you'll have to sign up again.
+
+Yours,
+The magical troggle