...beyond booth-1.0 (commit f2d38ce), including:
. support for solely manually managed tickets (9a365f9)
. use asciidoctor instead of asciidoc for generating man pages (65e6a6b)
- switch to using Python 3 for the tests instead of Python 2
(behind unversioned "python" references; rhbz#1555651)
Signed-off-by: Jan Pokorný <jpokorny@redhat.com>