Merge pull request #194 from cybertk/greenkeeper-mustache-2.3.0

Update mustache to version 2.3.0 🚀

Author: galkin

package.json

@@ -53,7 +53,7 @@
     "csonschema": "^0.5.1",
     "glob": "^7.0.6",
     "mocha": "~3.1.0",
-    "mustache": "~2.2.1",
+    "mustache": "~2.3.0",
     "proxyquire": "^1.3.1",
     "raml-parser": "^0.8.16",
     "request": "^2.53.0",