switch to local mathjax, take 2

docs/mathjax/localization/en/HTML-CSS.js

@@ -0,0 +1,19 @@
+/*
+ *  /MathJax/localization/en/HTML-CSS.js
+ *
+ *  Copyright (c) 2009-2017 The MathJax Consortium
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+MathJax.Localization.addTranslation("en","HTML-CSS",{version:"2.7.1",isLoaded:true,strings:{LoadWebFont:"Loading web font %1",CantLoadWebFont:"Cannot load web font %1",FirefoxCantLoadWebFont:"Firefox cannot load web fonts from a remote host",CantFindFontUsing:"Cannot find a valid font using %1",WebFontsNotAvailable:"Web fonts not available. Using image fonts instead"}});MathJax.Ajax.loadComplete("[MathJax]/localization/en/HTML-CSS.js");