Contacts : Updated French Translations

(Patch Set 3)

- Better visibility.
- General optimization.
- Fixed MISSPELLING French.

- Added SEVERAL missing translations.
- Added "\u00A0" before bullets. (To correct the wrong views, it's important)

- Adapatation compared to the original file.
- Other small fixes.

Signed-off-by: Thibault LEMOINE <thibaultblizz@gmail.com>