Removed obsolete resolveContainerStore() method.

This method is now replaced by the functionality of the ConversionHandler to
deal with complex objects like collections or arrays. It lies in the
responsibility of this handler to extract the value to be converted to a
single object.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/trunk@1517190 13f79535-47bb-0310-9956-ffa450edef68
Updated changes.xml.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/trunk@1517191 13f79535-47bb-0310-9956-ffa450edef68