move internal domain check outside analytics

node_modules/c9/blacklist.js

@@ -0,0 +1,13 @@
+var _ = require("lodash");
+
+
+var internalDomain = ['c9.io', 'clou9beta.com'];
+
+function hasInternalDomain(email) {
+    var emailElements = email.split("@");
+    var emailDomain = emailElements[emailElements.length - 1];
+
+    return _.contains(internalDomain, emailDomain);
+}
+    
+module.exports = hasInternalDomain();