Downgrade "ember-data" to v1.13.9

It looks like there is a bug in the latest ember-data release which caused the crate versions to not be resolved.

Fixes the "Version null does not exist" problem

Author: Turbo87

bower.json

@@ -4,7 +4,7 @@
     "ember": "1.13.7",
     "ember-cli-shims": "ember-cli/ember-cli-shims#0.0.3",
     "ember-cli-test-loader": "ember-cli-test-loader#0.1.3",
-    "ember-data": "1.13.14",
+    "ember-data": "1.13.9",
     "ember-load-initializers": "ember-cli/ember-load-initializers#0.1.5",
     "ember-qunit": "0.4.9",
     "ember-qunit-notifications": "0.0.7",

package.json

@@ -34,7 +34,7 @@
     "ember-cli-sass": "5.0.1",
     "ember-cli-sri": "^1.0.3",
     "ember-cli-uglify": "^1.2.0",
-    "ember-data": "1.13.14",
+    "ember-data": "1.13.9",
     "ember-disable-proxy-controllers": "^1.0.0",
     "ember-document-title": "~0.1.2",
     "ember-export-application-global": "^1.0.3",