8152650: ModuleFinder.compose should accept varargs

[Mandy Chung]

> On May 20, 2016, at 1:57 PM, Alan Bateman <alan.bateman at oracle.com> wrote:
> 
> 
> There are several patches that didn't go in with the last update, the change to ModuleFinder.compose to use varargs was one of them. The other part to this is removing the empty() method as it is redundant. The changes are straight-forward:
>  http://cr.openjdk.java.net/~alanb/8152650/webrev/

This looks good to me.

Mandy