Add basic SSL support using existing cert+key.
Disable second (redundant) WSGIDaemonProcess
Refactor apache config into vhosts + shared config

This cleanly separates common from vhost-specific configuration and
avoids duplication. I've also relaxed access to web2py's admin pages
over HTTPS, though this is still blocked due to lack of a required
password file.
Merge branch 'master' into ssl-support
Merge branch 'master' into ssl-support
Merge branch 'master' into ssl-support
Merge branch 'master' into ssl-support
Merge branch 'master' into ssl-support
Merge branch 'master' into ssl-support
Merge pull request #307 from OpenTreeOfLife/ssl-support

SSL (HTTPS) support for proper security