Cleaner backgrounds for Native French Speech PDFs

We have to update all material with the new logo. I prepared the new background which will be used for PDFs each week: French transcription, English translation and exercises. This is an important part of what the members get to learn French. This change is an opportunity to improve the background.

The new background uses a lot of common elements with the previous version. The genealogy is clear. See for yourself.

Here is the comparison between the two backgrounds.

Interesting points:

We will use this background from November 2012.