Merge pull request #11 from perselab/master

Add related products
refactoring price and stock
Get RootCatalogCategories in ProductLineController
Define loading Brands of category
Merge remote branch 'upstream/master'

Conflicts:
	apis/api-core/api-core-common/src/main/java/org/hoteia/qalingo/core/web/mvc/factory/impl/ViewBeanFactoryImpl.java
	apis/api-web/api-web-fo-mcommerce/src/main/java/org/hoteia/qalingo/web/mvc/controller/catalog/ProductLineController.java