Fixed linting errors

Author: Glenn Reyes

src/Highlight.example.js

@@ -43,7 +43,7 @@ export default class HighlightDemoDemo extends Component {
             type='text'
             name='language'
             defaultValue={language}
-            onChange={event => this._debouncedSetState('language', event.target.value)}/>
+            onChange={event => this._debouncedSetState('language', event.target.value)} />
         </div>
         <div className='form-group'>
           <label>Enter text to be formatted</label>
@@ -52,7 +52,7 @@ export default class HighlightDemoDemo extends Component {
             type='text'
             name='content'
             defaultValue={content}
-            onChange={event => this._debouncedSetState('content', event.target.value)}/>
+            onChange={event => this._debouncedSetState('content', event.target.value)} />
         </div>
         <label>Output</label>
         <Highlight language={language}>

website/Application.js

@@ -25,7 +25,7 @@ export default class Application extends React.Component {
         </Highlight>
         <p>Choose a highlight.js theme and make sure it's included in your index file.</p>
         <Highlight language='html'>
-          {`<link rel='stylesheet' href='https://highlightjs.org/static/demo/styles/railscasts.css'/>`}
+          <link rel='stylesheet' href='https://highlightjs.org/static/demo/styles/railscasts.css' />
         </Highlight>
         <p>And then use react-highlight.js to display your text like so:</p>
         <Highlight language='html'>