CLOUDSTACK-4665: Depend on rados-java 0.1.4

This fixes the ArrayIndexOutOfBounds exception during the
removal of a RBD based volume
CLOUDSTACK-4665: Check if a snapshot is protected before trying to unprotect

Otherwise a RBDException will be thrown with the message that the snapshot
isn't protected.

Conflicts:

	plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java