增加登陆失败的验证码验证；增加找回密码邮件的相关逻辑框架

mail/tasks.py

@@ -1 +1,14 @@
 # coding=utf-8
+
+
+def send_email(*args, **kwargs):
+    pass
+
+
+'''
+envelope = Envelope(from_addr=("noreply@qduoj.com", u"qduoj 密码找回邮件", email_template),
+                                to_addr=(user.email, user.username),
+                                subject=u"qduoj 密码找回邮件",
+                                html_body=email_template)
+envelope.send("smtp.mxhichina.com", login="noreply@qduoj.com", password="092122302Zarpe2015", tls=False)
+'''