Updated bed colors...

Updated bed colors :

- Red & green replaced by the default wool textures (the previous were too dark).
- Prettier violet texture
- Added brown, darkgrey, orange, yellow and pink colors (based on the default wool textures too).

Screenshot : https://cdn.mediacru.sh/inYAQBL9Htnv.jpg
Textures (inventory images not included) : http://mamadou3.free.fr/bed_texturesV2.zip