gnu: file: Upgrade to 5.18.

* gnu/packages/file.scm (file): Upgrade to 5.18.

gnu: guile-json: Install under .../site/2.0.

* gnu/packages/guile.scm (guile-json)[source]: Add 'snippet'.

gnu: Add Bogofilter.

* gnu/packages/mail.scm (bogofilter): New variable.

gnu: Add guile-json.

* gnu/packages/guile.scm (guile-json): New variable.

gnu: Remove unused lambda arguments and prefer separate phases over
augmented phases.

* gnu/packages/compression.scm (sharutils) [arguments]: Remove unused
  lambda args.
* gnu/packages/gl.scm (mesa) [arguments]: Same
* gnu/packages/fltk.scm [arguments]: Same.  Substitute const check
  phase with #:tests? #f.  Add pre-configure phase.
* gnu/packages/ghostscript.scm (ghostscript) [arguments]: Put makefile
  patches in separate phase.  Put so steps oinseparate phases.
* gnu/packages/glib.scm (gobject-introspection) [arguments]: Remove
  unused lambda args.  Put patches in pre-configure phase.
* gnu/packages/gnupg.scm (gnupg) [arguments]: Put patch in
  pre-configure phase.
  (pius) [arguments]: Delete const #t configure and build phases.
  (signing-party) [arguments]: Factor patches into post-unpack phase.
  (paperkey) [arguments]: Remove unused lambda args.  Factor out
  patches into pre-check phase.
* gnu/packages/icu4c.scm [arguments]: Change source dir after standard
  unpack phase.  Factor configure patches into pre-configure phase.
* gnu/packages/lsof.scm [arguments]: Remove unused lambda args.
  Remove unnecessary apply.
* gnu/packages/lvm.scm (lvm2) [arguments]: Factor out patches into
  pre-configure phase.
* gnu/packages/libtiff.scm [arguments]: Same
* gnu/packages/maths.scm (hdf5) [arguments]: Same
* gnu/packages/gtk.scm (gtk+-2) [arguments]: Same
* gnu/packages/mp3.scm (libmad) [arguments]: Same
  (id3lib) [arguments]: Same
* gnu/packages/python.scm (python-2) [arguments]: Same
* gnu/packages/texlive.scm (texlive) [arguments]: Same
* gnu/packages/pretty-print.scm (a2ps) [arguments]: Same
  (trueprint) [arguments]: Same
  (source-highlight) [arguments]: Same.  Remove unused lambda args.
* gnu/packages/netpbm.scm [arguments]: Remove unused lambda args.
  Factor out test patches into pre-check phase.  Condense calls to
  substitute*
* gnu/packages/openldap.scm [arguments]: Factor out libtool copy into
  post-configure phases. [synopsis] Remove package name.
* gnu/packages/ssh.scm (openssh) [arguments]: Factor out patches into
  separate phases.
* gnu/packages/tcsh.scm [arguments]: Factor out test patches into
  pre-check phase.
* gnu/packages/version-control.scm (git) [arguments]: Factor out
  patches into post-configure phase.
* gnu/packages/vim.scm [arguments]: Same. [synopsis] Remove package
  name.
* gnu/packages/vpn.scm (openconnect) [arguments]: Put configure flags
  in #:configure-flags

gnu: ed: Upgrade to 1.10.

* gnu/packages/ed.scm (ed): Upgrade to 1.10.  Use '.tar.lz' file, and
  add 'native-inputs' field.

gnu: ocrad: Upgrade to 0.23.

* gnu/packages/ocrad.scm (ocrad): Upgrade to 0.23.

gnu: tcl: Install man pages in share/man.

* gnu/packages/tcl.scm (tcl): Add --mandir configure flag.

gnu: gnu-pw-mgr: Fix download location.

* gnu/packages/gnu-pw-mgr.scm (gnu-pw-mgr): Fix download location.

gnu: Add mc

* gnu/packages/mc.scm: New file
* gnu/packages/patches/mc-fix-ncurses-build.patch: New patch
* gnu-system.am (GNU_SYSTEM_MODULES): Add mc.scm.
(dist_patch_DATA): Add patch

gnu: libssh2: Fix use with libssh2.pc

* gnu/packages/ssh.scm (libssh2): Pass --with-libgcrypt configure flag and
  propagate inputs.

Merge branch 'core-updates'

gnu: gp2c: Upgrade to 0.0.8pl1.

* gnu/packages/algebra.scm (gp2c): Upgrade to 0.0.8pl1, add native input perl.

gnu: pari-gp: Upgrade to 2.7.0.

* gnu/packages/algebra.scm (pari-gp): Upgrade to 2.7.0.

gnu: gnu-pw-mgr: Upgrade to 1.2

* gnu/packages/gnu-pw-mgr.scm: Upgrade to 1.2

gnu: guile-ssh: Upgrade to 0.6.0.

* gnu/packages/ssh.scm (guile-ssh): Upgrade to 0.6.0.
  [arguments]: Remove #:tests? #f; add #:parallel-build? #f.

gnu: recutils: Upgrade to 1.7.

* gnu/packages/recutils.scm (recutils): Upgrade to 1.7.
  Add 'arguments' field.

gnu: Add cursynth

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

gnu: remove python-fix-dbm.patch

* gnu/packages/patches/python-fix-dbm.patch: remove file. It is not needed
  anymore, and is probably a left-over of a failed merge.
* gnu-system.am: remove gnu/packages/patches/python-fix-dbm.patch

gnu: Enable tests in Python 3.

* gnu/packages/python.scm: enable tests for Python 3
* gnu/packages/python-fix-tests.patch: New file.
* gnu/packages/gnu-system.am (dist_patch_DATA): add it.