526769 change logrotate config default to weekly

* daemon/libvirtd.logrotate.in: change to weekly rotation of logs,
  keep a month worth of data and also extend to cover LXC and UML
  domain logs

daemon/libvirtd.logrotate.in

-@localstatedir@/log/libvirt/qemu/*.log {
-        daily
+@localstatedir@/log/libvirt/qemu/*.log @localstatedir@/log/libvirt/uml/*.log @localstatedir@/log/libvirt/lxc/*.log {
+        weekly
         missingok
-        rotate 7
+        rotate 4
         compress
         delaycompress
         copytruncate