[main] simplify MathJaxPath

Author: pkra

lib/main.js

@@ -81,7 +81,7 @@ var STATE = {
 //
 // The MathJaxPath is normaized against file:/// so that Windows paths are correct
 //
-var MathJaxPath = url.resolve("file:///","file:"+require.resolve('mathjax/unpacked/MathJax'));
+var MathJaxPath = url.resolve("file:///","file:"+require.resolve('mathjax'));
 var MathJaxConfig;                   // configuration for when starting MathJax
 var MathJax;                         // filled in once MathJax is loaded
 var serverState = STATE.STOPPED;     // nothing loaded yet