gnu: wireless-regdb: Update to 2017.03.07.

* gnu/packages/linux.scm (wireless-regdb): Update to 2017.03.07.

gnu: guile-cairo: Honor the Guile effective version.

* gnu/packages/gtk.scm (guile-cairo)[arguments]: Add #:modules.
Get the effective version of Guile and use that in installation
directory names.

gnu: guile-cairo: Use 'modify-phases'.

* gnu/packages/gtk.scm (guile-cairo)[arguments]: Use 'modify-phases'.

download: Export '%x509-certificate-directory'.

* guix/build/download.scm (%x509-certificate-directory): Export, as
expected by (guix scripts pull) since commit
7e81d699de7a2c924a048175516fe1ac3820d8e6.

gnu: Add guile2.2-lib.

* gnu/packages/guile.scm (guile2.2-lib): New variable.

gnu: Add python-flask-login.

* gnu/packages/python.scm (python-flask-login, python2-flask-login): New
variables.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add python-flask-htmlmin.

* gnu/packages/python.scm (python-flask-htmlmin, python2-flask-htmlmin): New
variables.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add python-htmlmin.

* gnu/packages/python.scm (python-htmlmin, python2-htmlmin): New variables.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: diffoscope: Update to 78.

* gnu/packages/package-management.scm (diffoscope): Update to 78.

gnu: Add minizip.

* gnu/packages/compression.scm (minizip): New variable.

gnu: notmuch: Update to 0.24.

* gnu/packages/mail.scm (notmuch, python-notmuch, python2-notmuch): Update to
0.24.

gnu: xf86-video-intel: Update to 2.99.917-4-7e9e92c.

* gnu/packages/xorg.scm (xf86-video-intel): Update to 2.99.917-4-7e9e92c.

gnu: xf86-video-nouveau: Update to 1.0.14.

* gnu/packages/xorg.scm (xf86-video-nouveau): Update to 1.0.14.

gnu: nss, nss-certs: Update to 3.29.3.

* gnu/packages/gnuzilla.scm (nss): Update to 3.29.3.
* gnu/packages/certs.scm (nss-certs): Update to 3.29.3.

gnu: nss: Use 'modify-phases' syntax.

* gnu/packages/gnuzilla.scm (nss)[arguments]: Use 'modify-phases'.

gnu: manaplus: Update to 1.7.3.4.

* gnu/packages/games.scm (manaplus): Update to 1.7.3.4.

gnu: git-modes: Update to 1.2.4.

* gnu/packages/emacs.scm (git-modes): Update to 1.2.4.

gnu: magit: Update to 2.10.3.

* gnu/packages/emacs.scm (magit): Update to 2.10.3.

gnu: guile-next: Update to 2.1.8.

* gnu/packages/guile.scm (guile-next): Update to 2.1.8.

gnu: r-hexbin: Update to 1.27.1-1.

The package tarball was updated in place, resulting in a change in the hash
value.  We decided to bump the version to 1.27.1-1 instead of keeping the
version at upstream's 1.27.1.

* gnu/packages/statistics.scm (r-hexbin): Update to 1.27.1-1.