Added Survey Visualization

Does nothing if GraphViz module not installed (the default until wre 0.9.3)
Shows sections and questions as nodes, answers as edges.
Branch targets also show up as edges
Branch expression edges are currently disabled

lib/WebGUI/i18n/English/Asset_Survey.pm

@@ -15,6 +15,38 @@ our $I18N = {
 		message => q|Take Survey|,
 		lastUpdated => 1224686319
 	},
+	'visualize' => {
+		message => q|Visualize|,
+		lastUpdated => 0
+	},
+	'generate' => {
+		message => q|Generate|,
+		lastUpdated => 0
+	},
+	'survey visualization' => {
+		message => q|Survey Visualization|,
+		lastUpdated => 0
+	},
+	'visualization success' => {
+		message => q|Visualization successfully generated to|,
+		lastUpdated => 0
+	},
+	'visualization format' => {
+		message => q|Visualisation Format|,
+		lastUpdated => 0
+	},
+	'visualization format help' => {
+		message => q|Choose the type of visualization file you want to generate|,
+		lastUpdated => 0
+	},
+	'visualization layout algorithm' => {
+		message => q|Visualisation Layout Algorithm|,
+		lastUpdated => 0
+	},
+	'visualization layout algorithm help' => {
+		message => q|Choose the GraphViz layout algorithm you want to use|,
+		lastUpdated => 0
+	},
 	'view simple results' => {
 		message => q|View Simple Results|,
 		lastUpdated => 1224686319