r4301 index.php: add "upgrade" case with some of the code previously located in upgra...
[racktables] / wwwroot /
drwxr-xr-x   ..
drwxr-xr-x - css
-rw-r--r-- 1406 favicon.ico
drwxr-xr-x - inc
-rw-r--r-- 6067 index.php
-rw-r--r-- 79258 install.php
drwxr-xr-x - js
drwxr-xr-x - pix