vBulletin forum updated

[ErosOlmi]

Updated vBulletin forum from 4.1.1 to 4.1.2
Mainly bug fixes.

Tested under the following browsers (each having latest available version):

IE9 RC
Chrome
Firefox
Opera
WP7: IE
iPhone 4: Safari


Moved CSS style sheet from inline into the page to cached file. Hopefully should improved page loading.