main/libguess: upgrade to 1.2

main/libguess: remove needless patch file
main/scrot: upgrade to 0.8.13
main/orc: upgrade to 0.4.22
main/portaudio: update url for newer version
main/adwaita-icon-theme: upgrade to 3.14.1
main/nss: upgrade to 3.17.3
main/mpv: upgrade to 0.7.1
main/mpd: upgrade to 0.19.6, remove needless patch
main/libksba: upgrade to 1.3.2
main/libass: upgrade to 0.12.0
main/btrfs-progs: upgrade to 3.17.3
testing/youtube-dl: upgrade to 2014.12.12.1
main/gnutls: upgrade to 3.3.11
main/portaudio: fix buildtime deps