simplify the design, drop login.php for now, it will come back (maybe) at some point...

simplify the design, drop login.php for now, it will come back (maybe) at some point, but is not needed
yet, and will complicate the migration anyway:

 htdocs.net/groupe/inscrire.php |    3 -
 htdocs.net/login.php           |   10 ---
 htdocs.net/wiki.php            |   10 +--
 include/xnet.inc.php           |   82 ++++++++++++++++++++----------
 include/xnet/page.inc.php      |  110 +----------------------------------------
 include/xnet/session.inc.php   |    5 -
 templates/xnet/skin.tpl        |    1
 7 files changed, 66 insertions(+), 155 deletions(-)

git-svn-id: svn+ssh://murphy/home/svn/platal/trunk@471 839d8a87-29fc-0310-9880-83ba4fa771e5