Work in progress, keeping avatars locally

This introduces a new model to store the avatars and 3 uploads per user (gravatar, system and custom)

user can then pick which they want.

app/assets/javascripts/discourse/controllers/avatar-selector.js.es6

@@ -10,12 +10,14 @@
 export default Discourse.Controller.extend(Discourse.ModalFunctionality, {
 
   actions: {
-    useUploadedAvatar: function() { this.set("use_uploaded_avatar", true); },
-    useGravatar: function() { this.set("use_uploaded_avatar", false); }
-  },
-
-  avatarTemplate: function() {
-    return this.get("use_uploaded_avatar") ? this.get("uploaded_avatar_template") : this.get("gravatar_template");
-  }.property("use_uploaded_avatar", "uploaded_avatar_template", "gravatar_template")
-
+    useUploadedAvatar: function() {
+      this.set("selected", "uploaded");
+    },
+    useGravatar: function() {
+      this.set("selected", "gravatar");
+    },
+    useSystem: function() {
+      this.set("selected", "system");
+    }
+  }
 });