Enable contextmenu plugin for TinyMCE editor (#1487014)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Enable contextmenu plugin for TinyMCE editor (#1487014)
 - Fix some mime-type to extension mapping checks in Installer (#1489983)
 
 RELEASE 1.0.2

program/js/editor.js

@@ -45,7 +45,7 @@ function rcmail_editor_init(config)
     });
   else { // mail compose
     $.extend(conf, {
-      plugins: 'paste,emotions,media,nonbreaking,table,searchreplace,visualchars,directionality,inlinepopups,tabfocus' + (config.spellcheck ? ',spellchecker' : ''),
+      plugins: 'paste,emotions,media,nonbreaking,table,searchreplace,visualchars,directionality,inlinepopups,tabfocus,contextmenu' + (config.spellcheck ? ',spellchecker' : ''),
       theme_advanced_buttons1: 'bold,italic,underline,|,justifyleft,justifycenter,justifyright,justifyfull,|,bullist,numlist,outdent,indent,ltr,rtl,blockquote,|,forecolor,backcolor,fontselect,fontsizeselect',
       theme_advanced_buttons2: 'link,unlink,table,|,emotions,charmap,image,media,|,code,search,undo,redo',
       spellchecker_languages: (rcmail.env.spellcheck_langs ? rcmail.env.spellcheck_langs : 'Dansk=da,Deutsch=de,+English=en,Espanol=es,Francais=fr,Italiano=it,Nederlands=nl,Polski=pl,Portugues=pt,Suomi=fi,Svenska=sv'),