chore(package): update ember-resolver to version 6.0.1

Closes #38

Author: greenkeeper[bot]

package.json

@@ -65,7 +65,7 @@
     "ember-load-initializers": "^2.0.0",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^4.4.1",
-    "ember-resolver": "^5.1.3",
+    "ember-resolver": "^6.0.1",
     "ember-source": "^3.8.0",
     "ember-source-channel-url": "^2.0.1",
     "ember-try": "~0.2.23",