[BZ 1079598] allow address of unmanaged node to be updated
Adding a UI for storage node address update (available iff there is no associated resource and op. mode is INSTALLED, i.e. before the actual "usage")

Conflicts:
	modules/enterprise/gui/coregui/src/main/java/org/rhq/coregui/client/admin/storage/StorageNodeConfigurationEditor.java
	modules/enterprise/gui/coregui/src/main/java/org/rhq/coregui/client/admin/storage/StorageNodeDetailView.java
UI for storage node address update: changing the text of question because there is no need for restart of node; also fixing bug in if condition

Conflicts:
	modules/enterprise/gui/coregui/src/main/java/org/rhq/coregui/client/admin/storage/StorageNodeDetailView.java