Visualization subystem changes. Documentation has been updated across
the board for all pieces that I've authored or co-authored.
Merge branch 'dev' into dimou

Conflicts:
	src/LinGUIne/events/VisualizationViewEvent.java
	src/LinGUIne/extensions/VisualizationView.java
	src/LinGUIne/extensions/VisualizationWizard.java
	src/LinGUIne/utilities/SafeVisualization.java
	src/LinGUIne/wizards/VisualizationWizardSelectVisualizationPage.java