branch master updated (1b0f266 -> be1033a)

[Danny Milosavljevic]

dannym pushed a change to branch master
in repository guix.

      from  1b0f266   gnu: Switch guile-cairo and dependents to Guile 2.2 again.
       new  be1033a   build: Add iso9660 system image generator.

The 1 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:
 build-aux/hydra/gnu-system.scm |  9 ++++-
 gnu/build/vm.scm               | 18 +++++++++-
 gnu/system/vm.scm              | 80 +++++++++++++++++++++++++++++++++++-------
 3 files changed, 92 insertions(+), 15 deletions(-)