Do not flush all thumbnails when refreshing.

The flush will only happen before the thumbnail is updated
and when the browser is discarded.
Review disconnect method.
Close the service in a finally block.
Add configuration info.
Use the configuration class.
Rename class.
Review Java examples.
Remove hard coded value.
Clean up code.
Remove Java doc.
Add documentation.
Remove jar from classpath.
Add doc and format class.
Add doc.
Change configuration default.
Remove local path.
Remove duplicate comment
Changes variable name to match Ice.config one.
Add method to load the plate.
Display hostname in toolbar (see #11125)

Conflicts:
	components/insight/SRC/org/openmicroscopy/shoola/agents/treeviewer/view/TreeViewerModel.java