SEC_GROUP to SEC_GROUP_NAME in nova boot
SEC_GROUP to SEC_GROUP_NAME in nova boot

For nova boot command, In the "--security-groups SEC_GROUP" parameter,
'SEC_GROUP' does not detail wether a Security Group ID or Security
Group name has to be provided. Make it clear by changing 'SEC_GROUP'
to 'SEC_GROUP_NAME'

Change-Id: Iab3aa7cde23d7eeecdf2aebad68e85a4c378b61d
Closes-bug: #1413351

gongysh2004/openstack-manual,openstack/openstack-manuals,potsmaster/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,saeki-masaki/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,gongysh2004/openstack-manual,kairoaraujo/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals,Akasurde/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,saeki-masaki/openstack-manuals,potsmaster/openstack-manuals,kairoaraujo/openstack-manuals