branch master updated (0ea4079 -> a7681d2)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  0ea4079   gnu: abiword: Update to 3.0.1.
       new  7b9a66e   doc: Update use of old "PACKAGE-VERSION" syntax.
       new  7cffaeb   challenge: Really exit with non-zero upon hash mismatch.
       new  ddbc7f7   doc: Use more https URLs.
       new  a70a500   doc: Update reproducible-builds.org URL.
       new  a7681d2   gnu: pcre: Fix CVE-2016-3191.

The 5 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                                 |   35 ++++---
 gnu-system.am                                 |    1 +
 gnu/packages/patches/pcre-CVE-2016-3191.patch |  151 +++++++++++++++++++++++++
 gnu/packages/pcre.scm                         |    9 ++
 guix/scripts/challenge.scm                    |    4 +-
 scripts/guix.in                               |    5 +
 6 files changed, 189 insertions(+), 16 deletions(-)
 create mode 100644 gnu/packages/patches/pcre-CVE-2016-3191.patch