document how to force overwrites

git-svn-id: https://svn.code.sf.net/p/rebeccablackos/code@3293 b52b6941-3400-464c-9f42-43200397181c
Use a better way to start dbus sessions

git-svn-id: https://svn.code.sf.net/p/rebeccablackos/code@3294 b52b6941-3400-464c-9f42-43200397181c