Update eslint-plugin-ember to 5.x (#373)

This update applies to the `eslint-3` and `stable` channels.

package.json

@@ -49,7 +49,7 @@
     "eslint-plugin-backbone": "^2.1.1",
     "eslint-plugin-drupal": "^0.3.1",
     "eslint-plugin-ejs": "^0.0.2",
-    "eslint-plugin-ember": "^4.5.0",
+    "eslint-plugin-ember": "^5.1.0",
     "eslint-plugin-ember-suave": "^1.0.0",
     "eslint-plugin-es5": "^1.2.0",
     "eslint-plugin-eslint-comments": "^1.0.1",

yarn.lock

@@ -1142,9 +1142,9 @@ eslint-plugin-ember-suave@^1.0.0:
   dependencies:
     requireindex "~1.1.0"
 
-eslint-plugin-ember@^4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-4.5.0.tgz#6634034a5267083db2f32678e6b699f119c5eb94"
+eslint-plugin-ember@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-5.1.0.tgz#fb96abd2d8bf105678a0aa81dadd99d7ca441ba1"
   dependencies:
     ember-rfc176-data "^0.2.7"
     require-folder-tree "^1.4.5"
@@ -1423,13 +1423,7 @@ eslint-plugin-scanjs-rules@>=0.1.4, eslint-plugin-scanjs-rules@^0.1.5:
     babel-eslint ">=4.1.1"
     eslint ">=1.1"
 
-eslint-plugin-security@>=1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-security/-/eslint-plugin-security-1.3.0.tgz#f106e2f6b9b81b757f8ee969d34456ef0e51dcea"
-  dependencies:
-    safe-regex "^1.1.0"
-
-eslint-plugin-security@^1.4.0:
+eslint-plugin-security@>=1.2.0, eslint-plugin-security@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-security/-/eslint-plugin-security-1.4.0.tgz#d4f314484a80b1b613b8c8886e84f52efe1526c2"
   dependencies: