Update ESLint devDependencies in package.json

This patch updates outdated JavaScript dev dependencies.

The latest ESLint version adds rules changes. Some rules are disabled
to prevent checks failures, some minor issues are fixed.

Change-Id: I01c5ccb5c8f7ceb827a3978157b4d76805d259c1

.eslintrc

@@ -37,6 +37,8 @@ rules:
   space-in-parens: 1
   no-use-before-define: 1
   no-unneeded-ternary: 1
+  consistent-return: 0
+  no-unmodified-loop-condition: 0
 
   #############################################################################
   # Angular Plugin Customization

openstack_dashboard/static/js/.eslintrc

@@ -12,6 +12,7 @@ rules:
   one-var: 0
   space-infix-ops: 0
   space-after-keywords: 0
+  keyword-spacing: 0
   no-console: 0
   no-multiple-empty-lines: 0
   no-sync: 0

package.json

@@ -6,14 +6,14 @@
   "repository": "none",
   "license": "Apache 2.0",
   "devDependencies": {
-    "eslint": "1.10.3",
-    "eslint-config-openstack": "1.2.4",
-    "eslint-plugin-angular": "1.0.1",
+    "eslint": "3.0.0",
+    "eslint-config-openstack": "4.0.1",
+    "eslint-plugin-angular": "4.0.1",
     "jasmine-core": "2.4.1",
     "karma": "1.1.2",
-    "karma-firefox-launcher": "2.1.0",
     "karma-cli": "1.0.1",
     "karma-coverage": "1.1.1",
+    "karma-firefox-launcher": "2.1.0",
     "karma-jasmine": "1.0.2",
     "karma-ng-html2js-preprocessor": "1.0.0",
     "karma-threshold-reporter": "0.1.15"