Bump PKGREVISION.

Fix PR pkg/48134 with patch from Onno van der Linden.
Fix build of net/amule.
Set LICENSE.
Updated security/crypto++ to 5.6.2nb2
share hacks.mk with its base package.
Define "readlink" location for Linux and OpenBSD.
Added package print/tex-ntheorem, version 1.31.
Added print/tex-ntheorem version 1.31
Added tex-ntheorem package
Added documentation for tex-ntheorem package
Added print/tex-ntheorem-doc version 1.31
Added ntheorem-doc package
Split ntheorem package. Bumped PKGREVISION.
Updated print/teTeX3-texmf to 3.0nb40
Tell "readlink" location for Cygwin, DragonFly, FreeBSD and Haiku.
update to 4.15.1
This fixes a regression in v4.15 related to the handling of hidden
virtual methods.
(hopefully fixes the build problem with py-qt3 reported by Greg Oster)
We reached NetBSD "6".