gnu: Rename module gnutls to tls.

* gnu/packages/gnutls.scm: Rename to...
* gnu/packages/tls.scm: ... this.  Change module name accordingly.
* gnu/packages/{admin.scm, cups.scm, curl.scm, dc.scm, dns.scm, emacs.scm,
  ftp.scm, gnome.scm, gnunet.scm, gnupg.scm, gsasl.scm, lynx.scm,
  mail.scm, messaging.scm, package-management.scm, shishi.scm,
  task-management.scm, version-control.scm, video.scm, vpn.scm,
  webkit.scm, weechat.scm, wget.scm, wine.scm, xml.scm}: Adapt module
  import to new name.
* gnu-system.am (GNU_SYSTEM_MODULES): Rename gnutls module to tls.

gnu: git: Add inputs for send-email.

* gnu/packages/version-control.scm (package-transitive-propagated-labels*)
  (package-propagated-input-refs): New procedures.
  (git)[inputs]: Add perl-authen-sasl, perl-net-smtp-ssl, and perl-io-socket-ssl.
  [outputs]: Add send-email output.
  [arguments]: Add #:modules argument with srfi-1.  In 'split phase, wrap
  git-send-email.

Merge branch 'master' into core-updates

gnu: git: Update to 2.4.3.

* gnu/packages/version-control.scm (git, git-manpages): Update to 2.4.3.

Merge branch 'master' into core-updates

Merge branch 'master' into gtk-rebuild

Conflicts:
	gnu/packages/gtk.scm

gnu: subversion: Add fix for sqlite-3.8.9.

* gnu/packages/patches/subversion-sqlite-3.8.9-fix.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/version-control.scm (subversion): Add patch.

gnu: Remove neon-0.29.6.

* gnu/packages/version-control.scm (neon-0.29.6): Remove variable.

gnu: subversion: Add serf to inputs.

This is a followup to d5e9f3809dc7d521874cfad0a242ab664f6c19bc, which upgraded
subversion to 1.8.x.  Previously we used 'neon' to support http access
methods, but subversion 1.8 drops support for 'neon' in favor of 'serf'.

* gnu/packages/version-control.scm (subversion)[inputs]: Add 'serf' and remove
  'neon'.
  [arguments]: Fix typo in phase name.

gnu: subversion: Update to 1.8.13.

* gnu/packages/version-control.scm (subversion): Update to 1.8.13.

Merge branch 'master' into core-updates.

gnu: Add gitolite.

* gnu/packages/version-control.scm (gitolite): New variable.
* gnu/packages/patches/gitolite-openssh-6.8-compat.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.

Merge branch 'core-updates'

gnu: subversion: Add $libdir to the RUNPATH of Perl bindings.

Fixes <http://bugs.gnu.org/20052>.

* gnu/packages/version-control.scm (subversion)[arguments]:
  Pass '-Wl,-rpath=...' as OTHERLDFLAGS in install-perl-bindings phase.

Merge branch 'master' into core-updates

gnu: Use emacs-no-x when we just want to byte-compile code.

* gnu/packages/code.scm (cflow)[native-inputs]: Change EMACS to
  EMACS-NO-X.
* gnu/packages/databases.scm (recutils): Likewise.
* gnu/packages/emacs.scm (geiser, paredit, magit, emacs-w3m, emacs-wget,
  emms, bbdb): Likewise.
* gnu/packages/idutils.scm (idutils): Likewise.
* gnu/packages/mail.scm (mu): Likewise.
* gnu/packages/package-management.scm (guix-0.8.1): Likewise.
* gnu/packages/scheme.scm (bigloo): Likewise.
* gnu/packages/version-control.scm (vc-dwim): Likewise.

Merge branch 'master' into core-updates

gnu: Add tig.

* gnu/packages/version-control.scm (tig): New variable.

gnu: git: Install Bash completion as 'etc/bash_completion.d/git'.

* gnu/packages/version-control.scm (git)[arguments]
  <install-shell-completion>: Change "git.sh" to "git" as the completion
  module file name.

Merge branch 'core-updates'.