Add testing infrastructure using jest

Added simple test to illustrate how to use jest with react.

app/components/LibraryNav.jsx

@@ -35,25 +35,13 @@ String.prototype.trunc = String.prototype.trunc || function(n){
 };
 
 const {
-    AppBar,
-    AppCanvas,
-    FontIcon,
     IconButton,
-    EnhancedButton,
-    NavigationClose,
-    FloatingActionButton,
-    Menu,
     MenuItem,
-    Mixins,
-    RaisedButton,
-    FlatButton,
-    Popover,
     Badge,
     TextField,
-    Dialog,
     Styles,
-    LeftNav,
-    Paper} = mui
+    Paper
+} = mui
 
 const DefaultRawTheme = Styles.LightRawTheme
 

app/components/__tests__/EntrySelector-test.jsx

@@ -0,0 +1,17 @@
+jest.autoMockOff()
+
+import React from 'react'
+import ReactDOM from 'react-dom'
+import TestUtils from 'react-addons-test-utils'
+
+const EntrySelector = require('../EntrySelector').default
+
+describe('EntrySelector', () => {
+
+    it('test jest', () => {
+        var entrySelector = TestUtils.renderIntoDocument(
+            <EntrySelector id="entry-selector" className="left inline fill-height" />
+        )
+        expect(entrySelector.state.entries.length).toEqual(0)
+    })
+})