chore(package): update ember-cli-mirage to version 1.1.3

Closes #76

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "ember-cli-htmlbars": "^2.0.1",
     "ember-cli-htmlbars-inline-precompile": "^1.0.0",
     "ember-cli-inject-live-reload": "^1.4.1",
-    "ember-cli-mirage": "^0.4.1",
+    "ember-cli-mirage": "^1.1.3",
     "ember-cli-moment-shim": "^3.5.0",
     "ember-cli-qunit": "^4.1.1",
     "ember-cli-sass": "^7.0.0",