Be cooler on global variables

lib/metadata/policies.js

@@ -351,9 +351,9 @@ var policies = {
         "tool": "phantomas",
         "label": "Global variables",
         "message": "<p>It is a bad practice because they clutter up the global namespace. If two scripts use the same variable name in the global scope, it can cause conflicts and it is generally hard to debug.</p><p>Global variables also take a (very) little bit longer to be accessed than variables in the local scope of a function.</p>",
-        "isOkThreshold": 10,
-        "isBadThreshold": 50,
-        "isAbnormalThreshold": 200,
+        "isOkThreshold": 30,
+        "isBadThreshold": 100,
+        "isAbnormalThreshold": 400,
         "hasOffenders": true,
         "offendersTransformFn": function(offenders) {
             return {