Add utils_cman (partly an analogy to utils_cib)

This file was missing in

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
doc/HACKING: update "Directly consuming the repo" part

(refresh the long-obsolete information)

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
__init__: experimental commit hash for git-archive(1) export

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
setup: make install trigger install_scripts of setuptools too

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
setup: honor "install_base", making "install --user" usable

(at least to some extent)

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
filter{,s/*}: simplify declaration of default xslt filter

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