GH #296 #297 fix XSD so that it requires nested elements
GH #296 #297 fix XSD so that it requires nested elements

Signed-off-by: Caleb Cushing <a9685b85fd9e0f422447bbe825117a592b3fd70d@gmail.com>

spotbugs/spotbugs,KengoTODA/spotbugs,johnscancella/spotbugs,spotbugs/spotbugs,johnscancella/spotbugs,johnscancella/spotbugs,KengoTODA/spotbugs,KengoTODA/spotbugs,sewe/spotbugs,KengoTODA/spotbugs,johnscancella/spotbugs,spotbugs/spotbugs,sewe/spotbugs,spotbugs/spotbugs,sewe/spotbugs,sewe/spotbugs,spotbugs/spotbugs