Allow the buffer warnings to be completely disabled by setting buffer threshold to 0.

Fix bug with buffer warnings where notification would trigger continuously after first trigger.
Fix bug where custom avatar URL would get reset on every user refresh.

plexpy/webserve.py

@@ -186,6 +186,11 @@ class WebInterface(object):
             keep_history = kwargs.get('keep_history')
         else:
             keep_history = 0
+        if 'thumb' in kwargs:
+            custom_avatar = kwargs['thumb']
+        else:
+            custom_avatar = ''
+
         if user_id:
             try:
                 data_factory = datafactory.DataFactory()
@@ -194,7 +199,7 @@ class WebInterface(object):
                                                     do_notify=do_notify,
                                                     keep_history=keep_history)
                 data_factory.set_user_profile_url(user_id=user_id,
-                                                  profile_url=kwargs['thumb'])
+                                                  profile_url=custom_avatar)
 
                 status_message = "Successfully updated user."
                 return status_message
@@ -209,7 +214,7 @@ class WebInterface(object):
                                                     do_notify=do_notify,
                                                     keep_history=keep_history)
                 data_factory.set_user_profile_url(user=user,
-                                                  profile_url=kwargs['thumb'])
+                                                  profile_url=custom_avatar)
 
                 status_message = "Successfully updated user."
                 return status_message