clean up townie admin some

ttadmin/users/admin.py

@@ -9,6 +9,7 @@ admin.site.unregister(Group)
 
 class PubkeyInline(admin.TabularInline):
     model = Pubkey
+    extra = 1
 
 def bulk_review(madmin, req, qs):
     for townie in qs:
@@ -20,6 +21,7 @@ bulk_review.short_description = 'mark selected townies as reviewed'
 @admin.register(Townie)
 class TownieAdmin(admin.ModelAdmin):
     inlines = [PubkeyInline]
-    list_display = ('reviewed', 'username', 'email')
+    list_display = ('username', 'reviewed', 'email')
     ordering = ('reviewed',)
+    exclude = ('first_name', 'last_name', 'password', 'groups', 'user_permissions', 'last_login')
     actions = (bulk_review,)