This commit fixes#782 by updating the parameter value of 'Maison &
Jardin', but this means the user has to update his RSS Feed URL (.because
of the bridge structure, it would be a nightmare to fix it in another
way)
This commits add all the categories available on Dealabs Website.
* [DealabsBridge] Follow site changes, fix unhandled case
- Fixed the case where no discount was shown
- Changed some CSS class to follow the website changes
- If no there are no results, an explicit message is now returned
- Commas are now following the coding policy
- Lines are no longer more than 80 chars when possible
