Bump version of vm-manager ebuild to 1.2.4.
Bump version of sst-provisioning ebuild to 0.2.1 (required for prov-backup-kvm).
Bump version of prov-backup-kvm ebuild to 1.0.4 (and update sst-provisioning dep to 0.2.1).
Version bump for FOSS-Cloud 1.2.0_rc8