Remove shebangs from library files
Add quiet option
Fix order of command statuses returned by the Manager
test: Teardown code was never called
Add an explicit API entrypoint

api.py has convencience wrappers for call, copy and slurp. These
are easy-to-use programmatic versions of pssh, pscp and pslurp.
openSUSE: Adjust man pages destination
openSUSE: Add openSUSE-specific pssh-askpass location
openSUSE: add -C/--pcmk_nodes option to get list of nodes from Pacemaker