clean trailing whitespaces
Module layout + models
add the wallet module
I changed the way to print / vote
New module : news !
Prettier display
Merge pull request #97 from GuillaumeGomez/master

New module
Merge pull request #98 from jeremyletang/wallet

Add the wallet module
create Market module layout
Add some work on market module, add a product to a cart, checkout the cart is almost finished. Just need to write the admin part.
New module : mail !
New design in news module
Merge pull request #99 from GuillaumeGomez/master

New module : mail !
Merge pull request #100 from jeremyletang/market

add the market module