at: added required PAM file

This was reported by Rainbowcrypt on IRC
at: Renamed and tweaked the pam file
at: Build tweaks. Added systemd service file.
Merge remote-tracking branch 'upstream/master'
postfix: version bumped to 2.10.0.
cdrtoos: version bumped to 3.01a12.
man-pages: version bumped to 3.47.
fluxbox: version bumped to 1.3.5.
feh: version bumped to 2.9.
libdiscid: version bumped to 0.3.2.
luatex: fixed SOURCE_URL

pointed out by Rainbowcrypt on IRC
at: BUILD fix

I don't care about the sedit vs. spelling out default_build,
but these things are/could become nasty..
pidgin: version bumped to 2.10.7
virtualbox-module: tweak the build.
virtualbox-module: cleanup BUILD & add &&s
sox: version bumped to 14.4.1.
spring: introduction to -other
springlobby: introduction to -other
Merge remote-tracking branch 'upstream/master'
phpMyAdmin: version bumped to 3.5.7.