[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

settings.py

@@ -35,7 +35,7 @@ USE_I18N = True
 # Examples: "http://foo.com/media/", "/media/".
 ADMIN_MEDIA_PREFIX = '/troggle/media-admin/'
 PHOTOS_ROOT = os.path.join(EXPOWEB, 'photos')
-#MEDIA_URL = urlparse.urljoin(URL_ROOT , '/site_media/')
+MEDIA_URL = urlparse.urljoin(URL_ROOT , '/site_media/')
 SURVEYS_URL = urlparse.urljoin(URL_ROOT , '/survey_scans/')
 PHOTOS_URL  = urlparse.urljoin(URL_ROOT , '/photos/')
 SVX_URL = urlparse.urljoin(URL_ROOT , '/survex/')
@@ -80,6 +80,7 @@ INSTALLED_APPS = (
     'django.contrib.redirects',
     #'photologue',
     #'troggle.reversion',
+    'django_evolution',
     'troggle.registration',
     'troggle.profiles',
     'troggle.expo'