Update to 1.2:

- Propagate errors returned by cvs checkout and cvs update.

Problem reported by Nathan Artur in private mail.  Change OKed by pmc.
Update to 2.6:

- Fix the default configuration file to populate CVSTAG correctly when
  using a CVS/Tag file.
- Ensure that errors from CVS stop execution.

Problem reported by Nathan Arthur in private mail.  Change OKed by pmc.
Note update of shtk to 1.2 and sysbuild to 2.6.
+ attica-0.4.2, automake-1.13.4, calibre-0.9.35, doclifter-2.12,
  electric-9.04, haproxy-1.4.24, milter-manager-1.8.7, ocaml-findlib-1.4,
  phpmyadmin-4.0.4, py-gdata-2.0.18, py-qt5-5.0.0, py-setuptools-0.7.2,
  py-sip-4.14.7, qt4-qscintilla-2.7.2, x264-devel-20130615.
Update to 6.14.6 and make KMS a default-off option.
Still for PR 47935.
Updated x11/xf86-video-ati6 to 6.14.6