Rename (guix web) to (guix http-client).

* guix/web.scm: Rename to...
* guix/http-client.scm: ... this.
* guix/gnu-maintenance.scm, guix/scripts/substitute-binary.scm,
  Makefile.am, po/POTFILES.in: Update accordingly.

Add `build-aux/list-packages.scm'.

* build-aux/list-packages.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.

Merge branch 'core-updates'

doc: Add a "Boostrapping" section.

* doc/guix.texi (Package Modules): New node, with material formerly
  under "GNU Distribution".
  (Bootstrapping): New node.
* Makefile.am (EXTRA_DIST): Add doc/images/bootstrap-graph.dot and
  doc/images/bootstrap-graph.eps.
  (infoimagedir, dist_infoimage_DATA, DOT_OPTIONS): New variable.
  (.dot.png, .dot.eps, doc/guix.pdf, doc/guix.info, doc/guix.ps): New
  targets.
* doc/images/bootstrap-graph.dot: New file.

hash: Add `open-sha256-port'.

* guix/hash.scm (GCRY_MD_SHA256): New macro.
  (sha256): Use it.
  (open-sha256-md, md-write, md-read, md-close, open-sha256-port,
  port-sha256): New procedures.
* tests/hash.scm: New file.
* Makefile.am (SCM_TESTS): Add it.

Move `sha256' to (guix hash).

* guix/utils.scm (sha256): Move to...
* guix/hash.scm: ... here.  New file.
* Makefile.am (MODULES): Add it.
* guix/derivations.scm, guix/scripts/download.scm,
  guix/scripts/hash.scm, guix/scripts/refresh.scm, tests/base32.scm,
  tests/derivations.scm, tests/store.scm: Use (guix hash).

build-system/gnu: Unify with (guix build-system gnu-cross-build).

* guix/build/gnu-build-system.scm (set-paths): Add `native-inputs' and
  `native-search-paths' keyword parameters.  Honor them.
  (configure): Add `target' and `native-inputs' keyword parameters.
  Look for Bash in NATIVE-INPUTS or INPUTS.  Pass `--host' when TARGET
  is true.
  (strip): Add `strip-command' keyword parameter.  Use it.
* guix/build/gnu-cross-build.scm: Remove.
* Makefile.am (MODULES): Adjust accordingly.
* gnu/packages/acl.scm, gnu/packages/attr.scm, gnu/packages/base.scm,
  gnu/packages/bash.scm, gnu/packages/gawk.scm,
  gnu/packages/gettext.scm, gnu/packages/guile.scm,
  gnu/packages/libffi.scm, gnu/packages/libsigsegv.scm,
  gnu/packages/linux.scm, gnu/packages/ncurses.scm,
  gnu/packages/readline.scm, guix/build-system/gnu.scm: Replace
  `%standard-cross-phases' by `%standard-phases'.  Remove references
  to (guix build gnu-cross-build).

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/make-bootstrap.scm

build: Move Hydra recipe to build-aux/hydra.

* hydra.scm: Rename to...
* build-aux/hydra/gnu-system.scm: ... this.
* Makefile.am (EXTRA_DIST): Adjust accordingly.

build: Split Makefile.am into two parts.

* Makefile.am (MODULES): Move gnu/* to gnu-system.am.
  (patchdir, dist_patch_DATA, bootstrapdir,
  bootstrap_x86_64_linuxdir, bootstrap_i686_linuxdir,
  dist_bootstrap_x86_64_linux_DATA, dist_bootstrap_i686_linux_DATA,
  nodist_bootstrap_x86_64_linux_DATA, nodist_bootstrap_i686_linux_DATA,
  install-data-hook, DISTCLEANFILES, DOWNLOAD_FILE,
  gnu/packages/bootstrap/x86_64-linux/guile-2.0.7.tar.xz,
  gnu/packages/bootstrap/i686-linux/guile-2.0.7.tar.xz): Move to...
* gnu-system.am: ... here.  New file.

gnu: Add ImageMagick.

* gnu/packages/imagemagick.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/download.scm (%mirrors): Add `imagemagick' entry.

gnu: Move subversion with the other version control systems.

* gnu/packages/subversion.scm: Remove file.
* gnu/packages/version-control.scm (subversion): New variable.
* Makefile.am (MODULES): remove subversion.scm.

build: Remove non-existent git.scm from Makefile.am.

* Makefile.am (MODULES): Remove git.scm.

gnu: Add Graphviz.

* gnu/packages/graphviz.scm: New file.
* Makefile.am (MODULES): Add it.

gnu: Add GD.

* gnu/packages/gd.scm: New file.
* Makefile.am (MODULES): Add it.

gnu: Add cairo.

* gnu/packages/gtk.scm (cairo): New variable.

gnu: Add GNU gcal.

* gnu/packages/gcal.scm: New file.
* Makefile.am (MODULES): Add it.

gnu: glib: Update to 2.37.1.

* gnu/packages/glib.scm (glib): Update to 2.37.1.  Add Bash and tzdata
  as inputs.  Remove `glib-tests-timezone.patch'.  Augment `pre-build'
  phase to set `TZDIR', `XDG_CACHE_HOME', and to modify makefiles to
  honor $(TESTS_ENVIRONMENT).
* gnu/packages/patches/glib-tests-desktop.patch,
  gnu/packages/patches/glib-tests-homedir.patch: Update.
* gnu/packages/patches/glib-tests-timezone.patch: Remove.
* Makefile.am (dist_patch_DATA): Update accordingly.

gnu: Add WordNet.

* gnu/packages/wordnet.scm: New file.
* Makefile.am (MODULES): Add it.

gnu: Add Grue Hunter.

* gnu/packages/grue-hunter.scm: New file.
* Makefile.am (MODULES): Add it.