Merge branch 'master' into gtk-rebuild

Conflicts:
	gnu/packages/gtk.scm

doc: Add desktop configuration example.

* gnu/system/examples/bare-bones.tmpl: Change 'packages' and
  'host-name'.  Remove D-Bus, Avahi, and SLiM services, and add lsh
  instead.
* gnu/system/examples/desktop.tmpl: New file.
* Makefile.am (EXAMPLES): Add it.

doc: Rename OS config example.

* gnu/system/os-config.tmpl: Rename to...
* gnu/system/examples/bare-bones.tmpl: ... this.
* Makefile.am (EXAMPLES): Adjust accordingly.
* doc.am (doc/os-config.texi): Likewise.
* gnu/system/install.scm (configuration-template-service)[template]:
  Likewise.

profiles: Move build code to (guix build profiles).

* guix/build/profiles.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/profiles.scm (profile-derivation)[builder]: Call out to
  'build-profile'.
  Add (guix build profiles) to the #:modules argument.

Move search path specifications to (guix search-paths).

* guix/packages.scm (<search-path-specification>,
  search-path-specification->sexp, sexp->search-path-specification):
  Move to...
* guix/search-paths.scm: ... here.  New file.
* Makefile.am (MODULES): Add it.
* guix/build-system/cmake.scm, guix/build-system/glib-or-gtk.scm,
  guix/build-system/gnu.scm, guix/build-system/haskell.scm,
  guix/build-system/perl.scm, guix/build-system/python.scm,
  guix/build-system/ruby.scm, guix/build-system/waf.scm,
  guix/profiles.scm, guix/scripts/package.scm: Use it.

Merge branch 'core-updates'

Merge branch 'master' into core-updates

Conflicts:
	gnu-system.am
	gnu/packages/gstreamer.scm

build: Build and install (guix build haskell-build-system).

* Makefile.am (MODULES): Add guix/build/haskell-build-system.scm.

build: Add missing 'make-binary-tarball.scm' script.

This script is used by the target added in 9d3fb6c.

* build-aux/make-binary-tarball.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.

install: Add a procedure to build a self-contained binary tarball.

Suggested by Pjotr Prins <pjotr.public12@thebird.nl>
at <http://lists.gnu.org/archive/html/guix-devel/2015-04/msg00229.html>.

* gnu/build/install.scm (populate-single-profile-directory): New procedure.
* gnu/system/install.scm (self-contained-tarball): New procedure.
* Makefile.am (guix-binary.%.tar.xz): New target.

Merge branch 'master' into core-updates

build: Build and install (guix build-system haskell).

* Makefile.am (MODULES): Add guix/build-system/haskell.scm.

Add Bash completion file.

* etc/completion/bash/guix: New file.
* Makefile.am (dist_bashcompletion_DATA): New variable.
* configure.ac: Add --with-bash-completion-dir.

Merge branch 'master' into core-updates

tests: Move 'guix package' tests that require networking to a separate file.

* tests/guix-package.sh (shebang_not_too_long): Remove.
  Move everything below "if [networking + shebang_not_too_long]" to...
* tests/guix-package-net.sh: ... here.  New file.
* Makefile.am (SH_TESTS): Add it.

scripts: Add 'publish' command.

* guix/scripts/publish.scm: New file.
* po/guix/POTFILES.in: Add it.
* tests/publish.scm: New file.
* Makefile.am (MODULES): Add script module.
  (SCM_TESTS): Add test module.
* doc/guix.texi ("Invoking guix publish"): New node.

Merge branch 'master' into core-updates

Add (guix build gremlin).

* guix/build/gremlin.scm, tests/gremlin.scm: New files.
* Makefile.am (MODULES): Add guix/build/gremlin.scm.
  (SCM_TESTS): Add tests/gremlin.scm.

Merge branch 'master' into core-updates

Rename 'guix substitute-binary' to 'guix substitute'.

* guix/scripts/substitute-binary.scm: Rename to...
* guix/scripts/substitute.scm: ... this.  Adjust module name, entry
  point, comments, and help string accordingly.
* nix/scripts/substitute-binary.in: Rename to...
* nix/scripts/substitute.in: ... this.
* pre-inst-env.in (NIX_SUBSTITUTERS): Adjust accordingly.
* tests/substitute-binary.scm: Rename to...
* tests/substitute.scm: ... this.  Adjust references to (guix scripts
  substitute) accordingly.
* guix/ui.scm (show-guix-help)[internal?]: Change "substitute-binary" to
  "substitute".
* Makefile.am (MODULES, SCM_TESTS): Adjust to file renames.
* daemon.am (nodist_pkglibexec_SCRIPTS): Likewise.
* config-daemon.ac: Likewise.
* guix/tests.scm (call-with-derivation-narinfo): Adjust comments and
  docstring.