install the documentation into right place.
Too many changes to list here, please read the Changelog from www.xfce.org (http://www.xfce.org/release_notes/4.2.0_changelog.html)
in the process. (More information on tech-pkg.) Bump PKGREVISION and BUILDLINK_DEPENDS of all packages using libtool and installing .la files. Bump PKGREVISION (only) of all packages depending directly on the above via a buildlink3 include.