Log Message:
Update to 1.2.2:

1.2.2:
Alan Coopersmith (3):
      spec: Fix section titles/nesting
      specs: change othercredit tags to author tags
      scrnsaverproto 1.2.2

Gaetan Nadon (9):
      config: HTML file generation: use the installed copy of xorg.css
      Documentation: add Docbook external references support
      Install target dbs alongside generated documents
      Install xml versions of specs even if HAVE_XMLTO is false
      docbook.am: global maintenance update - entities, images and olinking
      docbook.am: embed css styles inside the HTML HEAD element
      docs: remove <productnumber> which is not used by default
      docs: use the &fullrelvers; entity to set X11 release information
      specs: fix markup for single license dual holder

Matt Dew (3):
      add id attributes to funcsynopsis to allow other docs to olink to them.
      Fix id attributes, linkend and olinks
      informaltable cleanup

1.2.1:
Release features: Protocol spec moved from xorg-docs, converted to DocBook