NetBSD/pkgsrc-wip 716743dsend-pr Makefile distinfo, send-pr/files netbsd-template send-pr.NetBSD.conf

Update wip/send-pr to 4.2, since the 4.1 distfile is gone.

Set send-pr up for mailing to gnats.netbsd.org as a default.

Re-structure build and install to only do what we need.

Fix minor issues, and use pkgsrc magic where available.
DeltaFile
+45-23send-pr/Makefile
+68-0send-pr/files/netbsd-template
+44-0send-pr/patches/patch-gnats_send-pr.sh
+8-18send-pr/files/send-pr.NetBSD.conf
+15-0send-pr/patches/patch-configure
+6-3send-pr/distinfo
+0-3send-pr/TODO
+2-1send-pr/PLIST
+188-488 files

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