in, this method creates the necessary
 factory desired.

 The current mapping for compiler names are as follows:
 <ul><li>jasper = jasper compiler (the default)
 <li><i>a fully qualified classname</i> = the name of a jsp compiler
 adapter
 </ul></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>compilerType</code> - either the name of the desired compiler, or the
 full classname of the compiler's adapter.</dd><dd><code>task</code> - a task to log through.</dd><dd><code>loader</code> - AntC