Fix escaping of container names in popups. Bug 1346653

package.json

@@ -2,7 +2,7 @@
   "name": "testpilot-containers",
   "title": "Containers Experiment",
   "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "author": "Andrea Marchesini, Luke Crouch and Jonathan Kingston",
   "bugs": {
     "url": "https://github.com/mozilla/testpilot-containers/issues"
@@ -11,8 +11,9 @@
   "devDependencies": {
     "addons-linter": "^0.15.14",
     "deploy-txp": "^1.0.7",
-    "eslint": "^3.12.2",
+    "eslint": "^3.17.1",
     "eslint-plugin-promise": "^3.4.0",
+    "eslint-plugin-unsafe-property-assign": "^1.0.2",
     "htmllint-cli": "^0.0.5",
     "jpm": "^1.2.2",
     "npm-run-all": "^4.0.0",