Since PParse can take any XML file as input file, it shouldn't hardcode to expect 16 elements.

Change it to work similar to SAXCount which just prints the number of elements, characters, attributes ... etc.
And other modification for consistent help display and return code across samples.


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@173137 13f79535-47bb-0310-9956-ffa450edef68