Update README.rst file
Update README.rst file

Change-Id: I9f6434f26019bcfd914c0b6725ac00ee4aefa6bd

muraliselva10/cloudkitty,muraliselva10/cloudkitty,stackforge/cloudkitty,openstack/cloudkitty,openstack/cloudkitty,FNST-OpenStack/cloudkitty,FNST-OpenStack/cloudkitty,stackforge/cloudkitty