Changes

* <code>vzctl start --wait</code>: fix for Fedora 13* fix running default distscripts if <code>OSTEMPLATE </code> is not set* <code>vzmigrate</code>: migrate <code>premount</code>/<code>postumount </code> action scripts* <code>vzctl set --hostname</code>: back to FQDN for Red Hat and Slackware ({{B|1087}})* <code>vzmigrate</code>: ignore error 24 from the first <code>rsync </code> run ({{B|1580}})* <code>bash_completion</code>: <code>vzlist</code>'s <code>stderr </code> goes to <code>/dev/null</code>