minor updates and corrections to README
(#334)
added initial version of CHANGELOG and HISTORY
(#334)
mention change log and history in README
(#334)
more items added to changelog, history
(#334)
removed number signs which caused weirdness on wiki
(#334)
include INSTALL, CHANGELOG, HISTORY in doxygen documentation
(#334)
put more stuff into changelog for completeness
(#334)
Added some more change listings
(#334)