Add perl5lib release process doc.
Add perl5lib to the general release process.
More perl5lib release process refinement.
Install libsys-statistics-linux-perl from squeeze-backports.

It's needed by the latest tails-perl5lib.
Merge branch 'feature/perl5lib' into devel
Install Linux kernel 3.11-1 from Debian testing.
Install Linux 3.11-2 from Debian testing.
Merge remote-tracking branch 'origin/feature/linux-3.11-2' into bugfix/disable-dpms