ipfire theme: Fix align on div, and fix javascript tag

Remove align attribute on div for openbox, rather use
style attribute with text-align, since align attribute
causes html validation warnings, since it is deprecated.

Remove deprecated and useless attribute on javascript tag.
aliases.cgi: Make the html pass html validation
connections.cgi: Make the html pass html validation
index.cgi: Make html valid, and improve dialup and vpn display

Make the html validate. One part of the changes is to
move style from using deprecated attributes to using
style attribute on tag.
The other part is to make sure that tables, rows and cells
are properly closed and nested.

Use a table for showing output from the dialctrl script.