Replace reference of ksc with osc
Replace reference of ksc with osc

The leading comment in sample_data.sh still references the old
python-keystoneclient when its python-openstackclient that is
used to populate sample data.

This patch also makes a minor fix of the Swift service description.

TrivialFix

Change-Id: Ie4f5729dcc0b3a6164470d11ba91ddaaec0bb022

openstack/keystone,mahak/keystone,dstanek/keystone,dims/keystone,klmitch/keystone,jonnary/keystone,rajalokan/keystone,cernops/keystone,cernops/keystone,maestro-hybrid-cloud/keystone,takeshineshiro/keystone,ajayaa/keystone,roopali8/keystone,ilay09/keystone,ajayaa/keystone,rajalokan/keystone,dstanek/keystone,openstack/keystone,dims/keystone,jamielennox/keystone,jamielennox/keystone,dstanek/keystone,mahak/keystone,himanshu-setia/keystone,himanshu-setia/keystone,takeshineshiro/keystone,idjaw/keystone,maestro-hybrid-cloud/keystone,roopali8/keystone,mahak/keystone,jonnary/keystone,vivekdhayaal/keystone,vivekdhayaal/keystone,ilay09/keystone,ilay09/keystone,vivekdhayaal/keystone,klmitch/keystone,idjaw/keystone,openstack/keystone,rajalokan/keystone