[NFC] Add display name for custom React components

This improves readability of "Components" tab from React Development Tools extension for Chrome

client/homebrew/navbar/account.navitem.jsx

@@ -3,7 +3,7 @@ const createClass = require('create-react-class');
 const Nav = require('naturalcrit/nav/nav.jsx');
 
 const Account = createClass({
-
+	displayName : 'AccountNavItem',
 	getInitialState : function() {
 		return {
 			url : ''

client/homebrew/navbar/editTitle.navitem.jsx

@@ -7,6 +7,7 @@ const MAX_TITLE_LENGTH = 50;
 
 
 const EditTitle = createClass({
+	displayName : 'EditTitleNavItem',
 	getDefaultProps : function() {
 		return {
 			title    : '',

client/homebrew/navbar/navbar.jsx

@@ -6,6 +6,7 @@ const Nav = require('naturalcrit/nav/nav.jsx');
 const PatreonNavItem = require('./patreon.navitem.jsx');
 
 const Navbar = createClass({
+	displayName : 'Navbar',
 	getInitialState : function() {
 		return {
 			//showNonChromeWarning : false,

client/homebrew/navbar/recent.navitem.jsx

@@ -10,7 +10,7 @@ const VIEW_KEY = 'homebrewery-recently-viewed';
 
 
 const RecentItems = createClass({
-
+	DisplayName : 'RecentItems',
 	getDefaultProps : function() {
 		return {
 			storageKey : '',

client/homebrew/navbar/reddit.navitem.jsx

@@ -8,6 +8,7 @@ const MAIN_URL = 'https://www.reddit.com/r/UnearthedArcana/submit?selftext=true'
 
 
 const RedditShare = createClass({
+	displayName : 'RedditShareNavItem',
 	getDefaultProps : function() {
 		return {
 			brew : {