Merge pull request #43 from csalvador/replenishment-rebase

Replenishment rebase
Merge pull request #44 from csalvador/replenishment-rebase

Replenishment rebase
Better comment
Allowed displaying products without buying price
PSR-0 coding style
moved warning picto
changed pictos used in replenish.php
link to go to the second tab and only display orders related to a certain product