Added missing registration code to Flow demo.
Added missing registration code to Flow demo.

jlhughes/foam,foam-framework/foam,jacksonic/foam,osric-the-knight/foam,jacksonic/foam,jlhughes/foam,mdittmer/foam,osric-the-knight/foam,foam-framework/foam,jacksonic/foam,jlhughes/foam,osric-the-knight/foam,mdittmer/foam,mdittmer/foam,foam-framework/foam,osric-the-knight/foam,foam-framework/foam,mdittmer/foam,foam-framework/foam,jacksonic/foam,jlhughes/foam