[CMAN] Fix overridden node names
[CMAN] Fix overridden node names

cman-tool join -n <nodename> was failing because it assumed
an old object context. It now uses the nodeslist functions
I wrote for the purpose.

Signed-off-by: Christine Caulfield <992cedbe1eac7dbaff482fcb880a50b57e6b8062@redhat.com>

asp24/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents