This caused only the first ACE to be examined, causing permissions to 
always be set to ----???---.

server: Change the get_dll_info server request to allow retrieving the image file name of a process.

Implement NtQueryInformationProcess(ProcessImageFileName).

credui: Show a balloon tip in the credential dialog if CREDUI_FLAGS_INCORRECT_PASSWORD was specified.

explorer: Add a fixme to show when applications are trying to show a balloon tip in the taskbar notification area.

This does not mean to use the current cursor position. Instead, it means
that the left hand edge of balloon tips doesn't have to be exactly the
co-ordinate passed in (i.e. the stem can be as vertical as possible) and
it means non-balloon tips can use smart placement.