RFR: 7130985: Four helper classes missing in Sun JDK

[Rob McKenna]

Added some cleanup code around the BufferedReaders & the leftover test 
files:

http://cr.openjdk.java.net/~robm/7130985/webrev.02/

	-Rob

On 03/06/15 16:20, Rob McKenna wrote:
> Meant to get this sorted a while back.
>
> There was a thread on this last year (
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2014-July/027779.html
> )
>
> A test has been added since then:
>
> http://cr.openjdk.java.net/~robm/7130985/webrev.corba/
> http://cr.openjdk.java.net/~robm/7130985/webrev.j2se/
>
>      -Rob