Updating client dependancies and ESLint (#2954)

* Updating client dependancies

* Fixing eslint errors with updates

* Updating eslint

webapp/components/team_general_tab.jsx

@@ -473,7 +473,9 @@ class GeneralTab extends React.Component {
                         data-dismiss='modal'
                         aria-label='Close'
                     >
-                        <span aria-hidden='true'>&times;</span>
+                        <span aria-hidden='true'>
+                            {'×'}
+                        </span>
                     </button>
                     <h4
                         className='modal-title'
@@ -518,4 +520,4 @@ GeneralTab.propTypes = {
     activeSection: React.PropTypes.string.isRequired
 };
 
-export default injectIntl(GeneralTab);
+export default injectIntl(GeneralTab);