bump node-syntaxhighlighter version to 0.8.x

Author: ajpiano

package.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "grunt": "0.3.12",
     "grunt-wordpress": "1.0.2",
-    "node-syntaxhighlighter": "0.7.x",
+    "node-syntaxhighlighter": "0.8.x",
     "cheerio": "0.8.3",
     "rimraf": "2.0.2",
     "marked": "0.2.5",