chore(package): update ember-resolver to version 5.2.0

Closes #68

Author: greenkeeper[bot]

package.json

@@ -71,7 +71,7 @@
     "ember-load-initializers": "^1.1.0",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-native-dom-helpers": "^0.6.2",
-    "ember-resolver": "^4.0.0",
+    "ember-resolver": "^5.2.0",
     "ember-source": "~3.2.0-beta.2",
     "ember-source-channel-url": "^1.0.1",
     "ember-try": "^1.0.0-beta.2",