announcement model.py 里面的 description 改名为 content,并修改其对应的serializers和views

announcement/migrations/0002_auto_20150806_1104.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('announcement', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='announcement',
+            old_name='description',
+            new_name='content',
+        ),
+    ]