Started removing foreignkeys to caves, to achieve greater flexability. Some log book entries stuff may be broken. Add ability to make new caves and entrances via website.

core/admin.py

@@ -55,8 +55,7 @@ class PersonTripInline(admin.TabularInline):
 
 #class LogbookEntryAdmin(VersionAdmin):
 class LogbookEntryAdmin(TroggleModelAdmin):
-    prepopulated_fields = {'slug':("title",)}
-    raw_id_fields = ('cave',)    
+    prepopulated_fields = {'slug':("title",)} 
     search_fields = ('title','expedition__year')
     date_heirarchy = ('date')
     inlines = (PersonTripInline, PhotoInline, QMsFoundInline)