Multiple UI fixes (#3357)

* Multiple UI fixes

* Removing utils from tutorial file

webapp/components/form_error.jsx

@@ -8,6 +8,7 @@ export default class FormError extends React.Component {
         // accepts either a single error or an array of errors
         return {
             error: React.PropTypes.node,
+            noMargin: React.PropTypes.node,
             errors: React.PropTypes.arrayOf(React.PropTypes.node)
         };
     }
@@ -26,6 +27,7 @@ export default class FormError extends React.Component {
 
         // look for the first truthy error to display
         let message = this.props.error;
+        const noMargin = this.props.noMargin;
 
         if (!message) {
             for (const error of this.props.errors) {
@@ -39,6 +41,16 @@ export default class FormError extends React.Component {
             return null;
         }
 
+        if (noMargin) {
+            return (
+                <div className='has-error'>
+                    <label className='control-label'>
+                        {message}
+                    </label>
+                </div>
+            );
+        }
+
         return (
             <div className='form-group has-error'>
                 <label className='control-label'>