branch master updated (693ac16 -> a3d3e60)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository maintenance.

      from  693ac16   talks: Add final PDF of the Rennes talk.
       new  1013293   Add post about reproducible builds.
       new  a3d3e60   Add post about service composition in GuixSD.

The 2 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:
 doc/announcements/savannah/services.txt   |   75 +++++++++++++++++++++++++++++
 doc/announcements/savannah/verifiable.txt |   46 ++++++++++++++++++
 2 files changed, 121 insertions(+), 0 deletions(-)
 create mode 100644 doc/announcements/savannah/services.txt
 create mode 100644 doc/announcements/savannah/verifiable.txt