chmmaker:
* Actually show files in listbox (instead of nothing)
* Cosmetic/possible memleak fixes
* Updated readme to reflect snapshots not being available anymore
patch 26679 from Reinier


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46131 4005530d-fff6-0310-9dd1-cebe43e6787f