增加Special Judge的基础配置和创建Special Judge题目的逻辑

contest/migrations/0015_auto_20160404_1641.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.1 on 2016-04-04 08:41
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contest', '0014_auto_20160404_1509'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='contestproblem',
+            old_name='spj_code_language',
+            new_name='spj_language',
+        ),
+    ]