Merge pull request #873 from glennsarti/fix-metadata

(maint) Add modern Windows OS to metadata

Author: tphoney

metadata.json

@@ -76,7 +76,10 @@
         "Server 2008 R2",
         "Server 2012",
         "Server 2012 R2",
-        "7"
+        "Server 2016",
+        "7",
+        "8",
+        "10"
       ]
     },
     {