main/freetype: fix subpixel rendering
testing/xboard: new aport

An X Window System graphical chessboard
https://www.gnu.org/software/xboard/
main/curl: add ca-certificates as dep

git is for instance not usable against https repos without valid
root certs to check against.
main/subversion: upgrade to 1.8.5
main/vte3: upgrade to 0.35.0
main/nfs-utils: upgrade to 1.2.9
main/valgrind: upgrade to 3.9.0
main/shorewall-core: upgrade to 4.5.21.4
main/shorewall: upgrade to 4.5.21.4
main/shorewall6: upgrade to 4.5.21.4
main/perl-io-socket-ssl: upgrade to 1.960
main/py-django: security upgrade to 1.5.5 (CVE-2013-1443)

ref #2433
main/wine: fix building against freetype2
testing/parallel: new aport

Implements #2358.
main/atk: upgrade to 2.11.2
main/dosfstools: upgrade to 3.0.24
main/evince: upgrade to 3.10.3
main/gnutls: upgrade to 3.2.7
main/lftp: upgrade to 4.4.11
main/libxkbcommon: upgrade to 0.3.2