Set pre-release version

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
setup: _smart_ include of ext-plugins/lib-*

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
Bump version to 0.2.5

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>