prepare 1.7.1

prepare 1.7.0

prepare 1.6.1

build man with new ronn

Get rid of acute-accent-in-manual-page lintian warning.

prepare 1.5.0

prepare 1.4.0 in "real" experimental

prepare 1.4.0

1.3.0 prepared

add dep-12 upstream metadata

fix date in changelog