hopefully any other affected *nix systems) now properly discards non-
essential directories after installation.
* Support for Win9x in the installer and postinstall.bat.
* Changed the name of the default installation directory on all platforms
from "I2P" to "i2p" in the installer.
* Changed "wrapper.conf" to "wrapper.config" for naming consistency with the
other configuration files.
* default the i2ptunnel listen interface to 127.0.0.1, not 0.0.0.0
* add a client tunnel listening on port 2401 pointing at cvs.i2p (but *not* started by default)
* include buildWEB as part of build (so everyone builds everything by default)
* have clean include pkgclean
* new i2ptunnel.config and clients.config for the pkg
