gnu: fcgi: Disable parallel building.

* gnu/packages/web.scm (fcgi)[arguments]: Disable parallel building.

gnu: Add sshoot.

* gnu/packages/vpn.scm (sshoot): New variable.

gnu: Add python-argcomplete.

* gnu/packages/python.scm (python-argcomplete): New variable.

gnu: Add sshuttle.

* gnu/packages/vpn.scm (sshuttle): New variable.

services: Activate system prior to services.

* gnu/services.scm (activation-script): Move 'activation-current-system'
call before (for-each primitive-load …).

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: openjpeg-2.1.2: Use a meaningful file-name for the source code.

This is a followup to commit 0e8b7b1c351a2307bfc33211b4d76dbe7dfa01ef.

* gnu/packages/image.scm (openjpeg-2.1.2)[source]: Give a meaningful
file-name.

gnu: diffoscope: Update to 63.

* gnu/packages/package-management.scm (diffoscope): Update to 63.
[arguments]: Remove obsolete 'disable-failing-test' and 'disable-egg-zipping'
phases. The former was fixed upstream, and the latter is fixed by the new Python
build system.

gnu: openjpeg: Update replacement to 2.1.2 [fixes CVE-2016-{7445,8332}].

* gnu/packages/image.scm (openjpeg/fixed): Replace variable with ...
(openjpeg-2.1.2): ... this.
[patches]: Remove patches inherited from openjpeg.
(openjpeg)[replacement]: Replace with openjpeg-2.1.2.

gnu: Add denemo.

* gnu/packages/music.scm (denemo): New variable.

gnu: libpsl: Update to 0.16.0.

* gnu/packages/web.scm (libpsl): Update to 0.16.0.

gnu: Add ocaml-menhir.

* gnu/packages/ocaml.scm (ocaml-menhir): New variable.

gnu: coq: Update to 8.5pl2.

* gnu/packages/ocaml.scm (coq): Update to 8.5pl2.
  [arguments]: Configure script takes single hyphen arguments.

gnu: idris: Update to 0.12.3.

* gnu/packages/haskell.scm (idris): Update to 0.12.3.
  [origin]: Remove snippet.
  [inputs]: Add ghc-aeson, ghc-async, ghc-fsnotify, ghc-regex-tdfa,
  ghc-tasty-golden, ghc-tasty-rerun and ghc-terminal-size.
  [arguments]: Disable tests.

gnu: ghc-trifecta: Update to 1.6.

* gnu/packages/haskell.scm (ghc-trifecta): Update to 1.6.
  [inputs]: Add ghc-doctest and ghc-quickcheck.
  [arguments]: Enable tests.

gnu: Add ghc-terminal-size.

* gnu/packages/haskell.scm (ghc-terminal-size): New variable.

gnu: Add ghc-ieee754.

* gnu/packages/haskell.scm (ghc-ieee754): New variable.

gnu: Add ghc-tasty-rerun.

* gnu/packages/haskell.scm (ghc-tasty-rerun): New variable.

gnu: Add ghc-fsnotify.

* gnu/packages/haskell.scm (ghc-fsnotify): New variable.

gnu: Add ghc-hinotify.

* gnu/packages/haskell.scm (ghc-hinotify): New variable.

gnu: icecat: Add more fixes from upstream mozilla-esr45.

* gnu/packages/gnuzilla.scm (icecat)[sources]: Add more fixes from the
upstream mozilla-esr45 repository.