Merge pull request #262 from ChristianGiupponi/1.2/develop

update italian lang for modifier
Brand Images & Caching

Added brand images to model and added caching to plugin.
Updating 2.2 compatability
Updated categories admin view links
Clear routes cache on edit/delete
Updated cache key to be unique

using BASE_URL
created_by set for order items
Updated last commit
Prevent duplication on checkout validation
Repopulate checkout options, partial fix for #255
Updated JS for last commit
Updated multiple URL
Added 2.2 base menu structure
Clear ALL THE PRODUCT CACHE!
Clear routes cache
Clear taxes cache
Clear currency cache
Clear categories cache
Cleared up more 2.2 styling issues
Moved all code to PSR-2 formatting