wxHelpProvider::RemoveHelp, which is now called from ~wxWindowBase.
Without cleaning up the hash tables, reused window addresses will cause
the CS help to fail rather comically over time.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15754 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Ming/Cygwin makeprog.env clean target now cleans .exes
Edited version in install.txt
Copied HTML files from web files
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15039 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
