Bring in the change password section

This also changes the layout slightly in the user settings, but nothing detrimental.

src/components/views/elements/Field.js

@@ -31,6 +31,11 @@ export default class Field extends React.PureComponent {
         // To define options for a select, use <Field><option ... /></Field>
         element: PropTypes.string,
         // All other props pass through to the <input>.
+    };
+
+    get value() {
+        if (!this.refs.fieldInput) return null;
+        return this.refs.fieldInput.value;
     }
 
     render() {