branch master updated (b8667ed -> aabcaed)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository maintenance.

      from  b8667ed   talks: jcad-2018: Add PDF.
       new  36f5b0a   hydra: services: Add a second GC job after 12 hours.
       new  a268278   hydra: services: Keep Cuirass GC roots for 20 days.
       new  aabcaed   hydra: berlin: Use 'bootloader-configuration'.

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 hydra/berlin.scm                    |  8 +++++---
 hydra/modules/sysadmin/services.scm | 15 ++++++++++-----
 2 files changed, 15 insertions(+), 8 deletions(-)