[BZ 1105743] - Viewing operation details for operations with no results causes Globally uncaught exception in UI - java.lang.IllegalArgumentException:Null configuration.
- BZ 1103375 for RHQ
- Handled cases where null results are returned from an operation excecution.
- Fixed one op history update path where [results] data could be lost.

(cherry picked from commit ed8a2c4ce29920559febbd23129db6d9afa77d99)
Signed-off-by: Jirka Kremser <jkremser@redhat.com>

Conflicts:
	modules/enterprise/gui/coregui/src/main/java/org/rhq/coregui/client/admin/topology/AgentDetailView.java