[interchange] (4 commits) ...Merge branch 'DEB_5_7_7'

[Stefan Hornburg]

Summary of changes:

  e389236... Remove superflous space before question mark from Debconf t (*)
  8d04813... Remove empty crontab manual page after the build. (*)
  5663a1b... Update Debian changelog for 5.7.7-2 packages. (*)
  70b4cd2... Merge branch 'DEB_5_7_7'

(*) This commit already existed in another branch; no separate mail sent