branch master updated (ca2a55d -> ced2003)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  ca2a55d   gnu: shadow: Update to 4.2.1.
       new  b6c6105   monads: Inline the procedure returned by liftN.
       new  0309e1b   gexp: Add #:script-name parameter to 'gexp->derivation'.
       new  ced2003   download: Keep only 2 store items for all the downloads.

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     |    8 +++++---
 guix/download.scm |   18 ++++++++++++++++--
 guix/gexp.scm     |   10 ++++++----
 guix/monads.scm   |   23 ++++++++++++++++++-----
 4 files changed, 45 insertions(+), 14 deletions(-)