Log Message:
xrestop: update to 0.6.

Alan Coopersmith (10):
      gitlab CI: add a basic build test
      Build xz tarballs instead of bzip2
      Use AC_CONFIG_FILES to replace the deprecated AC_OUTPUT with parameters
      configure: remove unnecessary checks
      configure: remove fallback for pre-pkg-config systems
      gitlab CI: stop requiring Signed-off-by in commits
      Fix builds on Solaris
      Add --version option
      man page: stop saying the X-Resource extension is "very new"
      xrestop 0.6

Matt Turner (1):
      Link with libtinfo if available

Thomas Kuehne (1):
      Fixes -Wformat warning in xrestop_display