RFR JDK-8066867: Add InputStream transferTo to transfer content to an OutputStream

[Pavel Rappo]

The latest webrev summing up all what we've talked so far:

	http://cr.openjdk.java.net/~prappo/8066867/webrev.02/

-Pavel

> On 15 Dec 2014, at 21:39, Patrick Reinhart <patrick at reini.net> wrote:
> 
> 
> Have there been any further review being done jet?
> 
>> Good catch, guys!
>> 
>>> ...the method names are inconsistent (the methods in lower case with embedded underscores)
>> 
>> Fixed. Updated webrev: http://cr.openjdk.java.net/~prappo/8066867/webrev.01/
> 
> -Patrick