Fixed coupon table versionning
Fix for #490
Fixes #495
Refactoring of images and documents management
Introduced the automatic form fields binding.
Introduced automatic form fields binding
Refactoring of images and documents management
Added brands management
testFormatDateWithLocale always fails on Windows
Fixed unit tests
Added brand creation
Changed product_brand fk
Merge branch 'master' into brands

Conflicts:
	core/lib/Thelia/Tools/FileManager.php
	setup/update/2.0.3.sql
Added pre and post processing event disatching
Deleted test images after tests
Restoired file events compatibility, factorised code
Removed constraints on the "source" parameter
Added some missing form variables
Added product's brand selection in the general tab.
Added brand storage in product table