CMWallpapers : Updated French Translations

(Patch Set 2)

- Better visibility.
- General optimization.

- Added several missing translations.

- Adapatation compared to the original file.
- Header updated and standardized.
- Other small fixes.

Signed-off-by: Thibault LEMOINE <thibaultblizz@gmail.com>
Merge remote-tracking branch 'cm/gingerbread' into gingerbread

Conflicts:
	res/values-fr/strings.xml