Updated icons on wiki

[William Jon McCann <william jon mccann gmail com>]

Hi folks,

After talking to Ricky on irc I updated a few of the icons used in
wiki templates to match the ones we use in Fedora proper.  You can see
them here:
https://fedoraproject.org/wiki/User:Ianweller/admon

Thanks,
Jon

(Please cc me in replies)