chore(package): update ember-load-initializers to version 2.1.1

Closes #1742

Author: greenkeeper[bot]

package.json

@@ -73,7 +73,7 @@
     "ember-keyboard": "^3.0.0",
     "ember-link-action": "^0.0.37",
     "ember-load": "^0.0.12",
-    "ember-load-initializers": "^1.0.0",
+    "ember-load-initializers": "^2.1.1",
     "ember-macro-helpers": "^0.17.0",
     "ember-macro-test-helpers": "^3.1.0",
     "ember-metrics": "code-corps/ember-metrics#add-context-to-segment-adapter",