Added Register The Workbench Loaders in autoloader.php

When, you create a workbench package and autoload it in laravel 5 it throws an not found class exception , I have copied the workbenc loader from laravel4 installation to L5 to fix it.
I like it +1
> El 02/12/2014, a las 15:06, Graham Campbell <notifications@github.com> escribió:
> 
> In bootstrap/autoload.php:
> 
> > +|--------------------------------------------------------------------------
> > +| Register The Workbench Loaders
> > +|--------------------------------------------------------------------------
> > +|
> > +| The Laravel workbench provides a convenient place to develop packages
> > +| when working locally. However we will need to load in the Composer
> > +| auto-load files for the packages so that these can be used here.
> > +|
> > +*/
> > +
> > +if (is_dir($workbench = __DIR__.'/../workbench'))
> > +{
> > +    Illuminate\Workbench\Starter::start($workbench);
> > +}
> > +
> > +
> Could you please remove them. :)
> 
> —
> Reply to this email directly or view it on GitHub <https://github.com/laravel/laravel/pull/3159/files#r21196041>.
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