[*] MO : crossselling - moved javascript include into header hook.
[-] MO : crossselling - Added in condition to test element is present.
[-] BO: don't have the delivery PDF - User can define which statuses show the delivery PDF
[-] FO: need id_product_attribute to know quantity
[+] Class: Product::getIdByEan13 

Sometimes, it's can be good to get the Product ID by EAN13.
 [-] FO: name of the supplier page fixed #PSCFV-5571 

You do it right in 5219457 , but if you already have a old version, it's no change...
[*] FO : Possibility of hook blocknewsletter in footer
Fix Collection->sqlGroupBy()
[*] BO: Improve form of catalog price rules #PSCFV-6099
[-] FO: Fix #PSCFV-6493 root and home category id should be different of 1 and 2
[-] FO : Fix #PSCFV-4885 for DNI field, states and postcode display
Merge branch 'development' of https://github.com/PrestaShop/PrestaShop into development
Merge pull request #150 from djfm/development

//Changed English strings using the translationsenglish module.
Update classes/cache/CacheMemcache.php
// Sorry correct \t for norms
_USER_ID_LANG_ doesn't exist anymore
Merge Pull request 154 - thanks to @prestashop-iran
Merge pull request #152 from Shagshag/patch-4

[-] _USER_ID_LANG_ doesn't exist anymore
//merge pull request
Merge pull request #147 from raphaelMalie/development

[-] CORE : Fix Collection->sqlGroupBy()