main/qemu: enable user emulation and rename the system emulators
main/libc: add support for musl
main/qemu: fix url
main/alpine-mirrors: add hs-esslingen.de and remove RELEASES.txt
main/qemu: attempt fix linux-user for PIE executables
main/openrc: build fix for musl (don't use libc internal defines)
main/libdrm: upgrade to 2.4.46
main/gd: upgrade to 2.1.0
main/mrtg: rebuild against gd 2.1.0
main/nagios: rebuild against gd 2.1.0
main/php: upgrade to 5.4.17
testing/fswebcam: rebuild against gd 2.1.0
testing/gnuplot: rebuild against gd 2.1.0
testing/vnstat: rebuild against gd 2.1.0
testing/webalizer: rebuild against gd 2.1.0
main/gtk+2.0: upgrade to 2.24.20
main/kmod: upgrade to 14
main/man-pages: upgrade to 3.52
main/boost: upgrade to 1.54.0
main/abiword: rebuild against boost 1.54.0