Changed depot url template

Blizzard changed the depot url format.
Updated with new format

Author: Andrene

sc2reader/utils.py

@@ -20,7 +20,7 @@ class DepotFile(object):
     """
 
     #: The url template for all DepotFiles
-    url_template = "http://{0}.depot.battle.net:1119/{1}.{2}"
+    url_template = "https://{0}-s2-depot.classic.blizzard.com/{1}.{2}""
 
     def __init__(self, bytes):
         #: The server the file is hosted on