Vue Comments: Comments ported to Vue + DnD fileupload

* Drag and drop files to comment editor to add a file attachment
* Using Vue to render comments

Since comments now has attachments we need to update the schemas
./manage.py maintenance replace_pillar_node_type_schemas

src/scripts/js/es6/common/utils/currentuser.js

@@ -0,0 +1,34 @@
+class User{
+    constructor(kwargs) {
+        this.user_id = kwargs['user_id'] || '';
+        this.username = kwargs['username'] || '';
+        this.full_name = kwargs['full_name'] || '';
+        this.gravatar = kwargs['gravatar'] || '';
+        this.email = kwargs['email'] || '';
+        this.capabilities = kwargs['capabilities'] || [];
+        this.badges_html = kwargs['badges_html'] || '';
+        this.is_authenticated = kwargs['is_authenticated'] || false;
+    }
+
+    /**
+     * """Returns True iff the user has one or more of the given capabilities."""
+     * @param  {...String} args 
+     */
+    hasCap(...args) {
+        for(let cap of args) {
+            if (this.capabilities.indexOf(cap) != -1) return true;
+        }
+        return false;
+    }
+}
+
+let currentUser;
+function initCurrentUser(kwargs){
+    currentUser = new User(kwargs);
+}
+
+function getCurrentUser() {
+    return currentUser;
+}
+
+export { getCurrentUser, initCurrentUser }