Fix issue #1988 - This image not being found as "/static/metro-icon-144x144-precomposed.png" (#2216)

Author: ddevdan

templates/base.html

@@ -66,7 +66,7 @@
     <link rel="apple-touch-icon" href="{{ STATIC_URL }}apple-touch-icon-precomposed.png">
 
     {# Tile icon for Win8 (144x144 + tile color) #}
-    <meta name="msapplication-TileImage" content="{{ STATIC_URL }}metro-icon-144x144-precomposed.png"><!-- white shape -->
+    <meta name="msapplication-TileImage" content="{{ STATIC_URL }}metro-icon-144x144.png"><!-- white shape -->
     <meta name="msapplication-TileColor" content="#3673a5"><!-- python blue -->
     <meta name="msapplication-navbutton-color" content="#3673a5">