branch master updated (898e137 -> fc68f61)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

    from 898e137  gnu: linux-libre 4.4: Update to 4.4.253.
     new 4de829a  doc: Clarify that package transformations are preserved 
across upgrades.
     new 9d01749  gnu: qt5: Add source code URLs of mirrors.
     new fc68f61  gnu: guix-jupyter: Update to 0.2.0.

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


Summary of changes:
 doc/guix.texi                       |   7 +-
 gnu/packages/package-management.scm |  21 +----
 gnu/packages/qt.scm                 | 170 +++++++++++-------------------------
 3 files changed, 53 insertions(+), 145 deletions(-)