Moved classes to models_caves and fixed imports

core/management/commands/reset_db.py

@@ -7,7 +7,7 @@ from django.core.urlresolvers import reverse
 from django.core.management.base import BaseCommand, CommandError
 from django.contrib.auth.models import User
 
-from troggle.core.models import Cave, Entrance
+from troggle.core.models_caves import Cave, Entrance
 import troggle.flatpages.models
 
 import settings