Merge pull request #11 from perselab/master

Add related products
refactoring price and stock
Get RootCatalogCategories in ProductLineController
Merge remote-tracking branch 'upstream/master'

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