main/alpine-conf: upgrade to 2.14.0

fixes #2258
main/gnome-icon-theme: upgrade to 3.10.0
main/subversion: upgrade to 1.8.4
testing/gnome-icon-theme-symbolic: new aport

Symbolic GNOME icons
https://git.gnome.org/browse/gnome-icon-theme-symbolic
main/apache2: fix typo in pre-upgrade trigger script
main/gnome-icon-theme-symbolic: moved from testing
main/evince: fix depends of icons
main/task: moved from testing

fixes #2227
main/varnish: misc fixes in init.d script

http://lists.alpinelinux.org/alpine-devel/3300.html
main/enca: upgrade to 1.15
main/ipset: upgrade to 6.20.1
main/acf-core: upgrade to 0.17.0
main/acf-lib: upgrade to 0.6.0
main/acf-jquery: upgrade to 0.3.0
main/acf-skins: upgrade to 0.5.0
main/acf-alpine-baselayout: upgrade to 0.11.0
main/acf-alpine-conf: upgrade to 0.7.0
main/acf-amavisd-new: upgrade to 0.3.0
main/acf-apk-tools: upgrade to 0.9.0
main/acf-asterisk: upgrade to 0.5.0