Added excanvas as optional launch bundle.
diff --git a/bundles/org.eclipse.rap.rwt.visualization.jit.demo/RAP Javascript InfoVis Toolkit Demo.launch b/bundles/org.eclipse.rap.rwt.visualization.jit.demo/RAP Javascript InfoVis Toolkit Demo.launch
index e902aa7..258f698 100644
--- a/bundles/org.eclipse.rap.rwt.visualization.jit.demo/RAP Javascript InfoVis Toolkit Demo.launch
+++ b/bundles/org.eclipse.rap.rwt.visualization.jit.demo/RAP Javascript InfoVis Toolkit Demo.launch
@@ -32,5 +32,5 @@
<booleanAttribute key="tracing" value="false"/>
<booleanAttribute key="useCustomFeatures" value="false"/>
<booleanAttribute key="useDefaultConfigArea" value="false"/>
-<stringAttribute key="workspace_bundles" value="org.eclipse.rap.rwt.visualization.jit@default:default,org.eclipse.rap.rwt.visualization.jit.demo@default:default"/>
+<stringAttribute key="workspace_bundles" value="org.eclipse.rap.rwt.visualization.jit@default:default,org.eclipse.rap.rwt.visualization.jit.demo@default:default,org.eclipse.rap.rwt.excanvas@default:default"/>
</launchConfiguration>
