node_manager: Create logging directory as needed
node_manager: Create logging directory as needed

Directories in /tmp can go missing.  We should actually relocate this
to a different directory.

Signed-off-by: Tony Asleson <1ef2d381aa56d512126ddaacc29e68136e4fdf55@redhat.com>

tasleson/lsm-ci,tasleson/lsm-ci