management regarding removal and deletion of objects.
* Fixed the file disk system related stuff. KFileDiskSystem now uses the
virtualdrive driver. The former method was seemed simple and brilliant,
but the B_SET_PARTITION ioctl wouldn't work.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3650 a95241bf-73f2-0310-859d-f6bbb57e9c96