stop using the proxy but use CORS - requires the server to send "Access-Control-Allow-Origin: *" as a http header - according to the docs at Mozilla, this should work with all modern browsers + MSIE 8 and up

git-svn-id: https://languagetool.svn.sourceforge.net/svnroot/languagetool/trunk/languagetool@9473 2fe6a88b-1217-0410-b804-ba6ed01314b8