Update integration template to set eventMethod arg to get (close snowplow#713)

Author: mhadam

tests/pages/integration-template.html

@@ -26,6 +26,7 @@
     encodeBase64: true,
     appId: 'CFe23a',
     platform: 'mob',
+    eventMethod: 'get',
     contexts: {
       webPage: true
     }