gnu: gdb: Update to 7.10.1. * gnu/packages/gdb.scm (gdb): Update to 7.10.1.
gnu: manaplus: Update to 1.5.12.5. * gnu/packages/games.scm (manaplus): Update to 1.5.12.5.
gnu: pius: Update to 2.2.1. * gnu/packages/gnupg.scm (pius): Update to 2.2.1. Change URL to github.com. [arguments]: Update pattern for 'gpg' command.
gnu: Add letsencrypt. * gnu/packages/tls.scm (letsencrypt): New variable.
gnu: Add acme. * gnu/packages/tls.scm (acme): New variable.
gnu: Add python2-parsedatetime. * gnu/packages/python.scm (python2-parsedatetime): New variable.
gnu: python-parsedatetime: Update to 1.5. * gnu/packages/python.scm (python-parsedatetime): Update to 1.5. [arguments]: Enable tests.
gnu: Add python-ndg-httpsclient. * gnu/packages/python.scm (python-ndg-httpsclient, python2-ndg-httpsclient): New variables.
gnu: Add python-configargparse. * gnu/packages/python.scm (python-configargparse, python2-configargparse): New variables.
gnu: Add python2-pythondialog. * gnu/packages/python.scm (python2-pythondialog): New variable.
gnu: Add dialog. * gnu/packages/python.scm (dialog): New variable.
gnu: Add python-configobj. * gnu/packages/python.scm (python-configobj, python2-configobj): New variables. * gnu/packages/patches/python-configobj-setuptools.patch: New file. * gnu-system.am (dist_patch_DATA): Add it.
gnu: Add python-werkzeug. * gnu/packages/python.scm (python-werkzeug, python2-werkzeug): New variables.
gnu: Add python-pyrfc3339. * gnu/packages/python.scm (python-pyrfc3339, python2-pyrfc3339): New variables.
gnu: Add python-zope-component. * gnu/packages/python.scm (python-zope-component, python2-zope-component): New variables.
gnu: Add python-zope-security. * gnu/packages/python.scm (python-zope-security, python2-zope-security): New variables.
gnu: Add python-zope-location. * gnu/packages/python.scm (python-zope-location, python2-zope-location): New variables.
gnu: Add python-zope-proxy. * gnu/packages/python.scm (python-zope-proxy, python2-zope-proxy): New variables.
gnu: Add python-zope-configuration. * gnu/packages/python.scm (python-zope-configuration, python2-zope-configuration): New variables.
gnu: Add python-zope-schema. * gnu/packages/python.scm (python-zope-schema, python2-zope-schema): New variables.