tests: Add the builder as an input to raw derivations.

* tests/derivations.scm ("build derivation with 1 source",
  "derivation with local file as input",
  "derivation with a fixed-output input",
  "multiple-output derivation",
  "multiple-output derivation, non-alphabetic order",
  "user of multiple-output derivation"): Add %BASH as an input, needed
  in chroot builds.

gnu: recutils: Upgrade to 1.6.

* gnu/packages/recutils.scm (recutils): Upgrade to 1.6.  Add cURL and
  libgcrypt as inputs.

ui: Make '--version' output GCS-compliant.

* guix/ui.scm (show-version-and-exit): Display copyright year, license,
  and LACK OF WARRANTY.

gnu: cmake: Bump to 2.8.12

* gnu/packages/cmake.scm: bump to 2.8.12

doc: Document the syntax of the '--remove' argument.

* doc/guix.texi (Invoking guix package): Document the syntax of
  '--remove' patterns.

guix package: Show the output name of what's being removed.

* guix/scripts/package.scm (show-what-to-remove/install): Show the
  output name of packages being removed.

guix package: Fix indentation of "will be removed" messages.

* guix/scripts/package.scm (show-what-to-remove/install): Remove extra
  indentation from the removal sentences.

guix package: Allow removal of a specific package output.

Fixes <http://bugs.gnu.org/15756>.

* guix/profiles.scm (<manifest-pattern>): New record type.
  (remove-manifest-entry): Remove.
  (entry-predicate, manifest-matching-entries): New procedures.
  (manifest-remove): Accept a list of <manifest-pattern>.
  (manifest-installed?): Replace 'name' parameter by 'pattern', a
  <manifest-pattern>.
* guix/scripts/package.scm (options->removable): Return a list of
  <manifest-pattern>.
  (guix-package)[process-action]: Use 'manifest-matching-entries' to
  compute the list of packages to remove.
* tests/profiles.scm: New file.
* Makefile.am (SCM_TESTS): Add it.

guix package: Separate '--remove' option processing.

* guix/scripts/package.scm (options->removable): New procedure.
  (guix-package)[process-actions]: Use it.  Rename 'remove*' to 'remove'
  and 'install*' to 'install'.

ui: Factorize package specification parsing.

* guix/ui.scm (package-specification->name+version+output): New
  procedure.
* guix/scripts/package.scm (specification->package+output): Use it.
* tests/ui.scm ("package-specification->name+version+output"): New test.

Add (guix profiles).

* guix/scripts/package.scm (show-what-to-remove/install): New procedure,
  moved from...
  (guix-package): ... here.
  (<manifest>, make-manifest, <manifest-entry>,
  profile-manifest, manifest->sexp, sexp->manifest, read-manifest,
  write-manifest, remove-manifest-entry, manifest-remove,
  manifest-installed?, manifest=?, profile-regexp, generation-numbers,
  previous-generation-number, profile-derivation, generation-number,
  generation-file-name, generation-time, lower-input): Move to...
* guix/profiles.scm: ... here.  New file.
* Makefile.am (MODULES): Add it.

gnu: Add GCC front ends for Fortran, Go, Objective C, and Objective C++.

* gnu/packages/gcc.scm (custom-gcc, gfortran-4.8, gccgo-4.8)
  (gcc-objc-4.8, gcc-objc++-4.8): New variables.

gnu: ffmpeg: Fix typo in configure flags.

* gnu/packages/video.scm (ffmpeg): Add "d" in "3d" in configure flags.

gnu: Add ffmpeg.

* gnu/packages/video.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add module.

gnu: pulseaudio: increase timeout of thread test.

* gnu/packages/patches/pulseaudio-test-timeouts.patch: New file.
* gnu/packages/pulseaudio.scm (pulseaudio): Add patch.
* gnu-system.am (dist_patch_DATA): Add patch.

union: Do not warn when identical files collide.

* guix/build/union.scm (file=?): New procedure.
  (union-build)[resolve-collision]: Do not warn when identical files
  collide.

gnu: Add bridge-utils.

* gnu/packages/linux.scm (bridge-utils): New variable.

gnu: libmicrohttpd: Update to 0.9.31.

* gnu/packages/gnunet.scm (libmicrohttpd): Update to 0.9.31,
    synchronise the description with GNU SRC.

gnu: Add gst-plugins-base-0.10.

* gnu/packages/gstreamer.scm (gst-plugins-base-0.10): New variable.

gnu: gstreamer-0.10: Propagate input libxml2.

* gnu/packages/gstreamer.scm (gstreamer-0.10): Propagate input libxml2.