Updated to latest release of highlight.js and relaxed react and react-dom to support 0.14 and 15.0 versions

Author: bvaughn

package.json

@@ -96,10 +96,10 @@
     "worker-loader": "^0.7.0"
   },
   "dependencies": {
-    "highlight.js": "^8.9.1"
+    "highlight.js": "^9.3.0"
   },
   "peerDependencies": {
-    "react": "^15.0.2",
-    "react-dom": "^15.0.2"
+    "react": "^0.14.0 || ^15.0.0",
+    "react-dom": "^0.14.0 || ^15.0.0"
   }
 }