only very little memory is actually needed for php sessions
backport unattended-upgrades on wheezy too, as n= got disabled in 0.79.5
future collectd/graphite/statsd node
rm another unused node
temporarily disable upgrades, as wheezy is going to get released soon
add 'puppet node' to sudoers file
update reprepro module
take jessie into account in apt config
Revert "temporarily disable upgrades, as wheezy is going to get released soon"

This reverts commit 79a7aaae6ad9ac20494e8347229ab74c1d3cab2e.