fix bash/curl command in development-stack.rst
fix bash/curl command in development-stack.rst

make the curl/bash command work properly

Change-Id: Id316ee54e4e5ab90bd5cf8fb5d4a655c05b50090
Closes-Bug: #1459182
(cherry picked from commit 21575644b188c2d7a1af10fe8a72cb2b76363a42)

VaneCloud/openstack-ansible,yanyao/openstack-deployment,yanyao/openstack-deployment,VaneCloud/openstack-ansible,yanyao/openstack-deployment,yanyao/openstack-deployment,VaneCloud/openstack-ansible