CLOUDSTACK-4429. DOC. Fix broken link in header of API Reference TOC page. The link pointed to the Developer's Guide on the old doc site. Changed to point to the new doc site. Does not point to a specific doc version, so this text can be re-used without change for future software releases.
CLOUDSTACK-4428: "kvm.snapshot.enabled" flag shouldn't affect detached volumes, or volumes attached to the vm in Stopped/Destroyed state
CLOUDSTACK-4428: UI > volume > when hypervisor is KVM and kvm.snapshot.enabled configuration is false, still show Take Snapshot option if VM State is Stopped.