Genericize "Contact Us" page

Parameterize integration, support and announcement email addresses and contact
phone number, make static parameters flow through the system in a consistent
manner.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=136183813

java/google/registry/ui/js/registrar/dashboard.js

@@ -55,9 +55,7 @@ registry.registrar.Dashboard.prototype.bindToDom = function(id) {
   goog.dom.removeChildren(goog.dom.getRequiredElement('reg-appbar'));
   goog.soy.renderElement(goog.dom.getElement('reg-content'),
                          registry.soy.registrar.console.dashboard,
-                         {
-                           productName: this.console.productName
-                         });
+                         this.console.params);
   goog.events.listen(goog.dom.getElement('rotate'),
                      goog.events.EventType.CLICK,
                      goog.bind(this.rotate_, this));