chore(package): update ESLint and related config

Update ESlint to the latest v4 version, update to hte new major version 
of eslint-config-airbnb-base, and fix the linting errors.

lib/helpers.js

@@ -36,8 +36,8 @@ export function endMeasure(baseName) {
 }
 
 export function createRange(editor, data) {
-  if (!data ||
-    (!Object.hasOwnProperty.call(data, 'line') && !Object.hasOwnProperty.call(data, 'column'))
+  if (!data
+    || (!Object.hasOwnProperty.call(data, 'line') && !Object.hasOwnProperty.call(data, 'column'))
   ) {
     // data.line & data.column might be undefined for non-fatal invalid rules,
     // e.g.: "block-no-empty": "foo"

package.json

@@ -64,9 +64,9 @@
     "@commitlint/config-conventional": "^7.0.1",
     "@commitlint/travis-cli": "^7.0.0",
     "@semantic-release/apm-config": "^2.0.1",
-    "eslint": "^4.6.0",
-    "eslint-config-airbnb-base": "^12.0.0",
-    "eslint-plugin-import": "^2.7.0",
+    "eslint": "^4.19.1",
+    "eslint-config-airbnb-base": "^13.0.0",
+    "eslint-plugin-import": "^2.13.0",
     "husky": "^0.14.3",
     "jasmine-fix": "^1.0.1",
     "semantic-release": "^15.1.7"

spec/helpers-spec.js

@@ -1,8 +1,10 @@
 'use babel';
 
 import path from 'path';
-// eslint-disable-next-line no-unused-vars, import/no-extraneous-dependencies
-import { it, fit, wait, beforeEach, afterEach } from 'jasmine-fix';
+import {
+  // eslint-disable-next-line no-unused-vars
+  it, fit, wait, beforeEach, afterEach
+} from 'jasmine-fix';
 import * as helpers from '../lib/helpers';
 
 const fixturesLocal = path.join(__dirname, 'fixtures', 'local-stylelint');

spec/linter-stylelint-spec.js

@@ -1,8 +1,10 @@
 'use babel';
 
 import * as path from 'path';
-// eslint-disable-next-line no-unused-vars, import/no-extraneous-dependencies
-import { it, fit, wait, beforeEach, afterEach } from 'jasmine-fix';
+import {
+  // eslint-disable-next-line no-unused-vars
+  it, fit, wait, beforeEach, afterEach
+} from 'jasmine-fix';
 
 const fixtures = path.join(__dirname, 'fixtures');
 const configStandardPath = path.join(fixtures, 'bad', 'stylelint-config-standard.css');