gnu: Add XML::Compile::Cache.

* gnu/packages/xml.scm (perl-xml-compile-cache): New variable.

gnu: Add XML::LibXML::Simple.

* gnu/packages/xml.scm (perl-xml-libxml-simple): New variable.

gnu: Add XML::Compile.

* gnu/packages/xml.scm (perl-xml-compile): New variable.

gnu: Add XML::Compile::Tester.

* gnu/packages/xml.scm (perl-xml-compile-tester): New variable.

gnu: libxml2: Update to 2.9.3.

* gnu/packages/patches/libxml2-CVE-2015-1819.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-8035.patch,
  gnu/packages/patches/libxml2-bug-737840.patch,
  gnu/packages/patches/libxml2-bug-738805.patch,
  gnu/packages/patches/libxml2-bug-746048.patch,
  gnu/packages/patches/libxml2-bug-747437.patch,
  gnu/packages/patches/libxml2-bug-751603.patch,
  gnu/packages/patches/libxml2-bug-751631.patch,
  gnu/packages/patches/libxml2-bug-754946.patch,
  gnu/packages/patches/libxml2-bug-754947.patch,
  gnu/packages/patches/libxml2-bug-755857.patch,
  gnu/packages/patches/libxml2-fix-catalog-corruption.patch,
  gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt1.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt2.patch: Delete files.
* gnu-system.am (dist_patch_DATA): Remove them.
* gnu/packages/xml.scm (libxml2): Update to 2.9.3.  Remove patches.

gnu: xmlto: Update to 0.0.28.

* gnu/packages/xml.scm (xmlto): Update to 0.0.28.

gnu: Add tinyxml.

* gnu/packages/xml.scm (tinyxml): New variable.
* gnu/packages/patches/tinyxml-use-stl.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: libxslt: Add fix for CVE-2015-7995.

* gnu/packages/patches/libxslt-CVE-2015-7995.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xml.scm (libxslt)[source]: Add patch.

gnu: libxml2: Add fixes for CVE-2015-{1819,7941,7942,8035} and other bugs.

* gnu/packages/patches/libxml2-CVE-2015-1819.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-8035.patch,
  gnu/packages/patches/libxml2-bug-737840.patch,
  gnu/packages/patches/libxml2-bug-738805.patch,
  gnu/packages/patches/libxml2-bug-746048.patch,
  gnu/packages/patches/libxml2-bug-747437.patch,
  gnu/packages/patches/libxml2-bug-751603.patch,
  gnu/packages/patches/libxml2-bug-751631.patch,
  gnu/packages/patches/libxml2-bug-754946.patch,
  gnu/packages/patches/libxml2-bug-754947.patch,
  gnu/packages/patches/libxml2-bug-755857.patch,
  gnu/packages/patches/libxml2-fix-catalog-corruption.patch,
  gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt1.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt2.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/xml.scm (libxml2)[source]: Add patches.

Merge branch 'core-updates'

gnu: python: Add "minimal" variants.

* gnu/packages/python.scm (python2-minimal, python-minimal): New
  variables.
  (wrap-python3): New procedure.
  (python-wrapper): Use it.
  (python-minimal-wrapper): New variable.
* gnu/packages/xml.scm (libxslt)[native-inputs]: Use
  PYTHON-MINIMAL-WRAPPER instead of PYTHON-WRAPPER.
* gnu/packages/xorg.scm (xcb-proto, libxcb, xorg-server): Likewise.

Merge branch 'core-updates'

Merge branch 'master' into core-updates

gnu: perl-xml-parser: Update to 2.44.

* gnu/packages/xml.scm (perl-xml-parser): Update to 2.44.
  [homepage]: Adjust accordingly.

gnu: Add minixml.

* gnu/packages/xml.scm (minixml): New variable.

gnu: expat: Add fix for CVE-2015-1283.

* gnu/packages/patches/expat-CVE-2015-1283.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xml.scm (expat)[source]: Add patch.

Merge branch 'master' into core-updates

gnu packages: Avoid description lines with leading "(".

* gnu/packages/curl.scm (curl): Reformat description to avoid a line
  beginning with "(" because such lines break font-lock highlighting
  in Emacs.
* gnu/packages/flashing-tools.scm (dfu-programmer): Likewise.
* gnu/packages/games.scm (gnugo): Likewise.
* gnu/packages/gnome.scm (json-glib): Likewise.
* gnu/packages/image.scm (jbig2dec): Likewise.
* gnu/packages/maths.scm (units): Likewise.
* gnu/packages/pdf.scm (mupdf): Likewise.
* gnu/packages/web.scm (perl-encode-locale): Likewise.
* gnu/packages/wordnet.scm (wordnet): Likewise.
* gnu/packages/xml.scm (libxml2):Likewise.

gnu: Rename module gnutls to tls.

* gnu/packages/gnutls.scm: Rename to...
* gnu/packages/tls.scm: ... this.  Change module name accordingly.
* gnu/packages/{admin.scm, cups.scm, curl.scm, dc.scm, dns.scm, emacs.scm,
  ftp.scm, gnome.scm, gnunet.scm, gnupg.scm, gsasl.scm, lynx.scm,
  mail.scm, messaging.scm, package-management.scm, shishi.scm,
  task-management.scm, version-control.scm, video.scm, vpn.scm,
  webkit.scm, weechat.scm, wget.scm, wine.scm, xml.scm}: Adapt module
  import to new name.
* gnu-system.am (GNU_SYSTEM_MODULES): Rename gnutls module to tls.

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/commencement.scm
	gnu/packages/xml.scm