Fix/turn off no else return (#441)

* turned of no-else-return linter rule

Author: strausr

.eslintrc.js

@@ -45,7 +45,7 @@ module.exports = {
         "no-confusing-arrow": "off",
         "no-console": "off",
         "no-dupe-keys": "error",
-        "no-else-return": "error",
+        "no-else-return": "off",
         "no-empty": "error",
         "no-empty-function": "error",
         "no-lonely-if": "off",

test/integration/api/admin/structured_metadata_spec.js

@@ -433,9 +433,9 @@ describe("structured metadata api", function () {
     };
 
     api.add_metadata_field(metadata, (res, res2) => {
-      cloudinary.v2.uploader.update_metadata({[EXTERNAL_ID_SET_4]: [1]}, ['sample'], (err, res) => {
+      cloudinary.v2.uploader.update_metadata({[EXTERNAL_ID_SET_4]: [1]}, ['sample'], (err, result) => {
         expect(typeof err).to.be('undefined');
-        expect(res.public_ids[0]).to.equal('sample');
+        expect(result.public_ids[0]).to.equal('sample');
         done();
       })
     });