I started IYE in my config/locales folder and all I get when connecting to localhost:5050 is a xml output:
<?xml version="1.0" encoding="UTF-8"?>
<requests>
<request identifier="snapCreationForm">
<method>GET</method>
<uri>/snap/new</uri>
</request>
<request identifier="snapCreation">
<method>POST</method>
<uri>/snap</uri>
</request>
</requests>
* Loading translations from /Users/_____/Sites/______/_______/config/locales
* Creating missing translations
* Starting web editor at port 5050
[2014-03-24 10:48:13] INFO WEBrick 1.3.1
[2014-03-24 10:48:13] INFO ruby 1.9.3 (2014-02-24) [x86_64-darwin13.1.0]
[2014-03-24 10:48:13] INFO WEBrick::HTTPServer#start: pid=4834 port=5050