移除user time_zone, 统一使用submission_number和accepted_number字段

problem/migrations/0006_auto_20170823_0918.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.6 on 2017-08-23 09:18
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('problem', '0005_auto_20170815_1258'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='contestproblem',
+            old_name='total_accepted_number',
+            new_name='accepted_number',
+        ),
+        migrations.RenameField(
+            model_name='contestproblem',
+            old_name='total_submit_number',
+            new_name='submission_number',
+        ),
+        migrations.RenameField(
+            model_name='problem',
+            old_name='total_accepted_number',
+            new_name='accepted_number',
+        ),
+        migrations.RenameField(
+            model_name='problem',
+            old_name='total_submit_number',
+            new_name='submission_number',
+        ),
+    ]