Update dependencies

bower_components/ckeditor/plugins/iframe/plugin.js

@@ -1,6 +1,6 @@
 /*
  Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or http://ckeditor.com/license
+ For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */
 (function(){CKEDITOR.plugins.add("iframe",{requires:"dialog,fakeobjects",lang:"af,ar,az,bg,bn,bs,ca,cs,cy,da,de,de-ch,el,en,en-au,en-ca,en-gb,eo,es,es-mx,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,oc,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn",icons:"iframe",hidpi:!0,onLoad:function(){CKEDITOR.addCss("img.cke_iframe{background-image: url("+CKEDITOR.getUrl(this.path+"images/placeholder.png")+");background-position: center center;background-repeat: no-repeat;border: 1px solid #a9a9a9;width: 80px;height: 80px;}")},
 init:function(a){var b=a.lang.iframe,c="iframe[align,longdesc,frameborder,height,name,scrolling,src,title,width]";a.plugins.dialogadvtab&&(c+=";iframe"+a.plugins.dialogadvtab.allowedContent({id:1,classes:1,styles:1}));CKEDITOR.dialog.add("iframe",this.path+"dialogs/iframe.js");a.addCommand("iframe",new CKEDITOR.dialogCommand("iframe",{allowedContent:c,requiredContent:"iframe"}));a.ui.addButton&&a.ui.addButton("Iframe",{label:b.toolbar,command:"iframe",toolbar:"insert,80"});a.on("doubleclick",function(a){var b=