Modify node name from oldnode to newnode in basics doc
Modify node name from oldnode to newnode in basics doc

There is no node named oldnode, we can delete the node named newnode
that joined the cluster in the previous setps.

Change-Id: I2cf5baba0e44bf4b2c15c6ea404b88c0e079a419
Signed-off-by: blkart <1085ae7ac5d420d52a04a26b37297224b6df9d8b@gmail.com>

openstack/senlin,openstack/senlin,openstack/senlin,stackforge/senlin,stackforge/senlin