.gitkeep in ssl/
conf/mods-available/ssl.conf : Fixed incorrect environment variables & enabling SSL by default.
conf/mods-available/ssl.conf : Reviewed Debian vs Gentoo style. NEW define SSL for enabling it.
realpath ... : no longer using it, missing from too many Un*xes out there -_-
conf/sites-available/default-ssl brief review ; NEW SSL_DEFAULT_VHOST ; not tested, wip.
Removed conf/mods-enabled/authn_alias.load as it may not be widely available per default.