[Slackbuilds-users] Please fix SlackWiki links

[Doogster]

SlackWiki.com is functioning. SlackWiki.org is dead.

Please update the SlackWiki links on SlackBuilds.org (e.g. the links
to the SlackBuild Usage Howto and the SlackBuild Writing Howto) to
point to slackwiki.com and not slackwiki.org.