branch master updated (d7e29a2 -> 748ca12)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

      from  d7e29a2   gnu: python-scikit-learn: Update to 0.20.4.
       new  099dbc4   gnu: Improve memoization of 
'package-with-bootstrap-guile'.
       new  dab669e   gnu: ld-wrapper: Memoize.
       new  e4892ae   gnu: re2c: Update to 1.2.1.
       new  748ca12   gnu: Add uchardet.

The 4 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:
 gnu/packages/commencement.scm | 89 ++++++++++++++++++++++---------------------
 gnu/packages/freedesktop.scm  | 24 ++++++++++++
 gnu/packages/re2c.scm         |  6 +--
 3 files changed, 72 insertions(+), 47 deletions(-)