[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/registration_complete.html

@@ -9,5 +9,5 @@ registration_complete.html | {{ block.super }}
 {% endblock %}
 
 {% block content %}
-Thank you for signing up, {{ user.username }}. An email with the activation code has been sent to your inbox. If you have been on the expedition in the past, you already have a profile in the system; <a href={% url profiles_select_profile %}>click here </a> to find it and link it to your account. Otherwise, please <a href={% url profiles_create_profile %}> create yourself a new profile</a>. 
+Thank you for signing up. An email with the activation code has been sent to your inbox. 
 {% endblock %}