B2UConverter-9.12.2-rc

This is still a release candidate, but it's quite ready for real use already.

Here is a summary of the most important changes since the 1st release:
* now runs on Windows too
* default debug filename relative to the home directory
* option to choose the debug filename
* no need to run the conversion twice any more
* no more lost format while converting text portions
* double [ƯƯ] catching (specific to capital letters)
* support for Impress/Draw tables (new in OOo 3.0)
* batch conversion function, with folder selection
* better documentation (a bit)
* French localization