Relaxes HTTP STATUS Header validation

Checks if the response status contains "200 OK" where the previous code
only checked for "HTTP/1.1 200 OK".  Newer browsers sometimes use
HTTP/2.0 resulting in a STATUS of "HTTP/2.0 200 OK".

Author: John Cannon

source/Plugins/GoogleAnalyticsV3/GoogleAnalyticsMPV3.cs

@@ -152,13 +152,13 @@ public IEnumerator HandleWWW(WWW request)
     {
       yield return request;
       if (request.responseHeaders.ContainsKey("STATUS")) {
-        if (request.responseHeaders["STATUS"] == "HTTP/1.1 200 OK") {
+        if (request.responseHeaders["STATUS"].Contains("200 OK")) {
           if (GoogleAnalyticsV3.belowThreshold(logLevel, GoogleAnalyticsV3.DebugMode.INFO)) {
             Debug.Log("Successfully sent Google Analytics hit.");
           }
         } else {
           if (GoogleAnalyticsV3.belowThreshold(logLevel, GoogleAnalyticsV3.DebugMode.WARNING)) {
-            Debug.LogWarning("Google Analytics hit request rejected with" +
+            Debug.LogWarning("Google Analytics hit request rejected with " +
                 "status code " + request.responseHeaders["STATUS"]);
           }
         }