branch staging updated (030c912 -> 8e3f06c)

[julien lepiller]

roptat pushed a change to branch staging
in repository guix.

      from  030c912   gnu: libdrm: Update to 2.4.93.
       new  c336567   gnu: postgresql: Fix finding extensions.
       new  0d57a50   gnu: postgresql: Add extension-packages.
       new  8e3f06c   gnu: postgis: Update description.

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:
 doc/guix.texi                                      | 38 ++++++++++++-
 gnu/local.mk                                       |  1 +
 gnu/packages/databases.scm                         |  5 +-
 gnu/packages/geo.scm                               |  3 +-
 .../postgresql-disable-resolve_symlinks.patch      | 25 +++++++++
 gnu/services/databases.scm                         | 63 ++++++++++++++++------
 6 files changed, 115 insertions(+), 20 deletions(-)
 create mode 100644 
gnu/packages/patches/postgresql-disable-resolve_symlinks.patch