add redirect home -> user(current user), enhance UserNavigation style

browser/main/HomeContainer/Components/UserNavigator.js

@@ -7,7 +7,7 @@ export default class UserNavigator extends Component {
   renderUserList () {
     var users = this.props.users.map((user, index) => (
       <li key={'user-' + user.id}>
-        <Link to={'/users/' + user.id}>
+        <Link to={'/users/' + user.id} activeClassName='active'>
           <ProfileImage email={user.email} size='44'/>
           <div className='userTooltip'>{user.name}</div>
           <div className='keyLabel'>{'⌘' + (index + 1)}</div>
@@ -26,6 +26,10 @@ export default class UserNavigator extends Component {
     return (
       <div className='UserNavigator'>
         {this.renderUserList()}
+        <button className='createTeamBtn'>
+          +
+          <div className='tooltip'>Create a new team</div>
+        </button>
       </div>
     )
   }