Use pam_umask.so instead of /etc/profile.

Instead of setting teh default umask at /etc/profile, let pam_umask.so
do it's job. Also allow usergroups!
atool: fix installation of man pages.
ghc: update to 7.8.4.
New Package: apvlv-git-2014-12-24
phonon: update to 4.8.3
phonon-backend-gstreamer: update to 4.8.1
phonon-backend-vlc: update to 0.8.2
Merge pull request #777 from fluxer/master

phonon stack update. closes #776
ruby: update to 2.2.0.
weechat: bump for Ruby 2.2.
vim: bump for Ruby 2.2.
notmuch: bump for Ruby 2.2.
weechat: detect Ruby 2.2 for cross-build.
New package: mtree-1.0.2
New package: schedtool-1.3.0
New package: libasr-1.0.0.
base-directories: create /var/empty.
opensmtpd: update to 5.4.4p1.
New package: outils-0.1
opensmtpd: re-add arc4random patch for configure.ac, it's still needed.