CoffeeScript: Added separate compiler

<ol><li> Fixed #320.
<ul><li><code>.iced</code> compiled by IcedCoffeeScript compiler.</li>
<li><code>.coffee</code> compiled by CoffeeScript compiler.</li></ul></li><br/>
<li>Temporary workaround for: <a href="https://github.com/jashkenas/coffee-script/issues/3297">jashkenas/coffee-script#3297</a>.</li></ol>