Relaxed propType to make :language an optional param

Author: bvaughn

package.json

@@ -4,7 +4,7 @@
   "main": "dist/main.js",
   "author": "Brian Vaughn",
   "user": "bvaughn",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "scripts": {
     "build": "npm run build:website && npm run build:dist",
     "build:website": "npm run clean:website && NODE_ENV=production webpack --config webpack.config.website.js -p --bail",

src/Highlight.js

@@ -5,7 +5,7 @@ import highlight from 'highlight.js'
 export default class Highlight extends Component {
   static propTypes = {
     children: PropTypes.node.isRequired,
-    language: PropTypes.string.isRequired
+    language: PropTypes.string
   }
 
   componentDidMount () {