reverting engine dependency until Geoff npm publishes it

Author: bmuenzenmeyer

package.json

@@ -11,7 +11,7 @@
     "json5": "^0.5.0",
     "lodash": "~4.13.1",
     "markdown-it": "^6.0.1",
-    "patternengine-node-mustache": "^1.0.0"
+    "patternengine-node-mustache": "^0.0.1"
   },
   "devDependencies": {
     "grunt": "~1.0.1",