Improve eslint and fix lint in package.js file

package.js

@@ -1,3 +1,4 @@
+// eslint-disable-next-line
 Package.describe({
 	name: 'milligram:milligram',
 	version: '1.3.0',
@@ -6,7 +7,8 @@ Package.describe({
 	documentation: 'readme.md'
 })
 
-Package.onUse((api) => {
+// eslint-disable-next-line
+Package.onUse(api => {
 	api.versionsFrom('METEOR@1.0')
 	api.addFiles([
 		'dist/milligram.css'

package.json

@@ -79,7 +79,7 @@
 		"backstop": "run-s build && run-p serve compare",
 		"reference": "backstop reference --configPath=backstop.conf.js",
 		"compare": "backstop test --configPath=backstop.conf.js",
-		"lint": "sass-lint -c .sasslintrc src --verbose --no-exit && eslint test -c styled",
+		"lint": "sass-lint -c .sasslintrc src --verbose --no-exit && eslint . --ignore-path .gitignore package.js",
 		"ava": "nyc ava",
 		"precommit": "run-p test",
 		"prepublish": "run-s build",