RFR JDK-8066577: Cleanup and make better use of the stream API in the jrtfs code

[Paul Sandoz]

> On 26 Aug 2016, at 09:48, Xueming Shen <xueming.shen at oracle.com> wrote:
> 
> Hi,
> 
> This is a aged rfe from Paul's code review comments for the old code. base. The
> implementation has been changed lots since.  Some has gone, some has been updated
> accordingly. Just went through the list and here is the change set for some minor issues
> still present.
> 
> issue: https://bugs.openjdk.java.net/browse/JDK-8066577
> webrev: http://cr.openjdk.java.net/~sherman/8066577/webrev
> 

+1

Paul.