Added ability to set application level name, and to set event and category message files.
Performance enhancement and trancation of overlong messages.
See CHANGELOG.md for details

	modified:   CHANGELOG.md
	modified:   build/version.properties
	new file:   demo/src/log4j.xml
	modified:   log4jna/src/org/apache/log4jna/nt/Win32EventLogAppender.java