Add a script to generate stats

stats_generator.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+from datetime import date, timedelta
+import redis
+
+
+def perdelta(start, end, delta):
+    curr = start
+    while curr < end:
+        yield curr
+        curr += delta
+
+r = redis.Redis('localhost', 6334, db=1)
+
+for result in perdelta(date(2015, 03, 01), date(2015, 12, 12), timedelta(days=1)):
+    val = r.zcard('{}_submissions'.format(result))
+    print('{},{}'.format(result, val))