Update to 0.69

Upstream changes:
**** 0.69 Dec 5, 2012

Feature added support for NID L32 L64 LP, RFC6742.

Feature rt.cpan.org #62030

Parsing of BIND zone files implemented in Net::DNS::ZoneFile.
This replaces and is backward compatible with the CPAN module
of the same name.

Enhancement to simplify RR subtype template and recode packages.

Enhancement rt.cpan.org #75185

Packet decoder returns index to end of decoded data.

Added packet->reply() method.

Fix rt.cpan.org #79569

AXFR not setting packet->answer_from.

Enhancement rt.cpan.org #18819

Added support for Unicode and non-ASCII character encoding.

Feature integrate OPT as a header extension

Treat extended rcodes and the DO flag like they are part of
the packet header.

Fix rt.cpan.org #77444

Support escaped characters according to RFC1035 in TXT rdata.

Fix rt.cpan.org #77304

Fix resolver searchlist from registry setup on Win32.

Enhancement rt.cpan.org #67570

Make wire2presentation two till eighteen times faster.
A contribution from Matthew Horsfall

Fix rt.cpan.org #73366

Remove existing TSIG when resigning with a new TSIG and give warning.

Fix rt.cpan.org #75330

Also try nameserver without glue (as a last resort) when recursing.

Fix rt.cpan.org #74493

Read correct resolver configuration in OS/2.

(wen)