Move third-party TinyMCE out of soc/content/js and into the application image
root, like other third-party code. Update the app.yaml.template to add
/tiny_mce as a source of static content.
<html xmlns="http://www.w3.org/1999/xhtml"><head><script language="javascript" src="../../tiny_mce_popup.js"></script><script type="text/javascript" src="jscripts/embed.js"></script><script type="text/javascript">tinyMCEPopup.onInit.add(function(ed) { var dom = tinyMCEPopup.dom; dom.setHTML('content', ed.getContent());});document.write('<base href="' + tinyMCEPopup.getWindowArg("base") + '">');</script><title>{#preview.preview_desc}</title></head><body id="content"><!-- Gets filled with editor contents --></body></html>