U2: Improved registerE() demo.
U2: Improved registerE() demo.

jlhughes/foam,mdittmer/foam,mdittmer/foam,foam-framework/foam,jacksonic/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,jacksonic/foam,jlhughes/foam,mdittmer/foam,foam-framework/foam,jacksonic/foam,mdittmer/foam,jlhughes/foam,foam-framework/foam,jlhughes/foam