[packages/systemd] removed depreciated /etc/timezone, fixed /var/log/btmp group and mode, adjusted /etc/machine-id and

[Tomasz Pala]

Speaking about systemd:

~: ldd /sbin/init | grep /usr   
        libapparmor.so.1 => /usr/lib64/libapparmor.so.1 (0x00007f199b0e8000)
        libseccomp.so.2 => /usr/lib64/libseccomp.so.2 (0x00007f199ac8a000)

If we're chasing the /usr-on-different-media target, these should be moved.

It would be nice for rpm to check if anything in /bin, /lib* or /sbin
depends on /usr during package.

-- 
Tomasz Pala <gotar w pld-linux.org>