Merge branch 'next'
added doxygen config file
added README and TODO to doxygen
doxygen: added file patterns
README is now doxygen mainpage
doxygen: use doxygen 1.8.7 features
doxygen: remove obsolete configuration data
doxygen: removed obsolete XML configuration data
doxygen: partially reverted old file. version conflict
Merge branch 'master' into HEAD

Conflicts:
	Doxyfile
doxygen: new configuration file
Update README.md
README: updated quick start
README: removed deprecated ENVVARS
Added config example file
Merge branch 'master' of github.com:danrl/ratools