RFC: Disable NIO2 by default

[Matthew Flaschen]

Dalibor Topic wrote:
> Andrew John Hughes wrote:
>> This patch disables NIO2 in the default build.
>>
>>   
> For IcedTea6? IcedTea7?

Dalibor, 9708fffb863d is only a valid revision id for icedtea6.

Matt Flaschen