Add settings value for automatic emails

Resolves #54

members/views.py

@@ -509,6 +509,9 @@ def send_mail_wrapper(subject, message, email_to):
 
 @receiver(post_save, sender=Request)
 def email_on_request(sender, instance, created, **kwargs):
+    if not settings.ENABLE_AUTOMATIC_EMAILS:
+        return
+
     try:
         if created:
             subject = 'Test1'
@@ -520,6 +523,9 @@ def email_on_request(sender, instance, created, **kwargs):
 
 @receiver(post_save, sender=Member)
 def email_on_accept(sender, instance, created, **kwargs):
+    if not settings.ENABLE_AUTOMATIC_EMAILS:
+        return
+
     try:
         if created:
             subject = 'Test2'