This is to avoid RootAccess instances, which are ref-counted, to
avoid accessing the Components instance, which is a singleton.

The problem may arise when shutting down the entire app where it's
entirely unclear whether the RootAccess instances get destroyed first
or the Components instance does.  In fact, on my Windows XP environment
this repeatedly caused crash-on-close issue which would lead to "DDE
server error" Windows system error dialog popping up afterwards.

This ensures that the bottom text "Drag the fields from ..." is
visible on all platforms.  Previously this text overlapped with
the data and row field windows on Windows XP.

It's better to use two completely separate source trees than to try to
build two different versions of LibreOffice in the same one

Reduces the build time of the 'moz' module by 30% or so.