Update sistyl to the latest version 🚀 (#107)

* fix(package): update sistyl to version 2.0.0

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

* update sistyl usage.

Author: greenkeeper[bot]

package-lock.json

@@ -21,7 +21,7 @@
     "onecolor": "^3.0.4",
     "plug-modules": "^5.2.0",
     "semver-compare": "^1.0.0",
-    "sistyl": "^1.0.0",
+    "sistyl": "^2.0.0",
     "underscore": "^1.6.0",
     "yo-yoify": "^4.0.0"
   },

package.json

@@ -1,13 +1,13 @@
 import $ from 'jquery';
 import _ from 'underscore';
-import { Sistyl } from 'sistyl';
+import sistyl from 'sistyl';
 import Class from 'plug/core/Class';
 import popoutView from 'plug/views/rooms/popout/PopoutView';
 
 // hack to get plug.dj-like Class inheritance on a not-plug.dj-like Class
 const Style = Class.extend({
   init(defaults) {
-    this.sistyl = new Sistyl(defaults);
+    this.sistyl = sistyl(defaults);
     this.timeout = null;
     this.rawStyles = [];