bumps to non-SNAPSHOT version of the asciidoc 'improvethisdoc' plugin
bumps to non-SNAPSHOT version of the asciidoc 'improvethisdoc' plugin

apache/isis,oscarbou/isis,estatio/isis,estatio/isis,incodehq/isis,estatio/isis,oscarbou/isis,apache/isis,incodehq/isis,apache/isis,estatio/isis,apache/isis,apache/isis,apache/isis,incodehq/isis,oscarbou/isis,incodehq/isis,oscarbou/isis