add support for webworker

[enginespot]

I want to debug javascript within webworker
currently the generated code like
document.write('<scri'+'pt src="javascripts/toaster/abc.js"></scr'+'ipt>')

for webworker
the cold shoule like
importScripts('javascripts/toaster/abc.js');

so please add a parameter for webworker support

[arboleya]

The development of Coffee Toaster has been discontinued in favor of Polvo.

Maybe Polvo works well with webworkers, since the default load mechanism is based on AMD.