- tidy cmake configuration
- delete some unused example source files
- delete obsolete Doxyfile

Added README.


Former-commit-id: bd08d1dd

	* Tagging XMLCoreParser-00-01-18.
	* doc/example3.cxx: Another cppcheck fix.
	* Tagging XMLCoreParser-00-01-17.
	* Fix cppcheck warnings.

2015-09-22  scott snyder  <snyder@bnl.gov>

	* Tagging XMLCoreParser-00-01-16.
	* Adjust unit tests to use UnitTest_run pattern.

2015-09-15  scott snyder  <snyder@bnl.gov>

	* Tagging XMLCoreParser-00-01-15.
	* Comply with ATLAS naming conventions.

2015-03-11  scott snyder  <snyder@bnl.gov>

	* Tagging XMLCoreParser-00-01-14.
	* Fix coverity warnings.
...
(Long ChangeLog diff - truncated)