bump version number in preparation for new release

Author: Lauren McCarthy

package.json

@@ -36,7 +36,7 @@
       "node ./utils/sample-linter.js"
     ]
   },
-  "version": "0.5.16",
+  "version": "0.6.0",
   "devDependencies": {
     "all-contributors-cli": "^4.5.0",
     "amdclean": "~0.3.3",