fixing build break due to checkstyle
CLOUDSTACK-5782. [VMware] Snapshot creation on a detached volume failes with NPE.
For a detached volume, don't try to find the associated VM on the hypervisor/peer hypervisor host.
By default create a worker VM to perform snapshot operations.

Conflicts:

	plugins/hypervisors/vmware/src/com/cloud/storage/resource/VmwareStorageProcessor.java
CLOUDSTACK-5625: removed unnecessary global setting 'ldap.realname.attribute'