Restore "airbnb-base". Oops. See rev. 1f567b1a286a and rev. 224ec02c1e9e.

.eslintrc.json

@@ -3,6 +3,9 @@
     "browser": true,
     "es6": true
   },
+  "extends": [
+    "airbnb-base"
+  ],
   "globals": {
     "ChromeUtils": "readonly",
     "Components": "readonly",
@@ -37,11 +40,11 @@
         "overrides": { "?": "before", ":": "before" }
       }
     ],
-    "prefer-template": 1,
-    "comment will leave the following": "off",
+    "comment: the following all come from airbnb-base, let's leave them off": "off",
     "array-callback-return": "off",
     "camelcase": "off",
     "class-methods-use-this": "off",
+    "eqeqeq": "off",
     "guard-for-in": "off",
     "max-classes-per-file": "off",
     "new-cap": "off",
@@ -61,8 +64,7 @@
     "prefer-const": "off",
     "prefer-destructuring": "off",
 
-    "comment will need to look at all the following one-by-one": "off",
-    "eqeqeq": "off",
+    "comment: will need to look at the following one-by-one": "off",
     "no-unused-vars": "off"
   }
 }