BeanFactory now expects a BeanCreationContext as parameter.

All information required by the createBean() method is now contained in a
BeanCreationContext object. This change of the interface caused some
adaptations on the DefaultBeanFactory and BeanHelper classes.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/trunk@1520792 13f79535-47bb-0310-9956-ffa450edef68