Update classes/cache/CacheMemcache.php
[-] Fix: OrderHistory::changeIdOrderState

&$id_order break compatibility with existing codes :

1/ it's unnecessary : Objects are passed by references by default
2/ it causes fatal errors: 
```PHP
$foo->changeIdOrderState((int)$id_order_state, (int)$id_order);
```
Fatal error: Only variables can be passed by reference
[*] BO : use the employee lang
[-] FO : fixed smarty curly bracket

Signed-off-by: Marco Cervellin <marco@macodev.com>
Merge branch 'development' of git://github.com/PrestaShop/PrestaShop into development
Disable search indexation

Search indexation is very CPU-intensive, it should not be used here
[*] FO oosHook must be a div, not a paragraph

for code validation, oosHook must be a div, not a paragraph.
[-] MO: fix a problem with the wishlist_link

With @ArtDesign, we see that if you put the module "Block MyAccount" before the "Wishlist", the wishlist_link var is not declare yet, so the link is empty. If you put the var in the header, it can be accessed by the other tpl.

Or, we can put this in a {$link->getModuleLink(...)} in TPL
[*] Class Tools: enhance fd method

Add the posibilities to set an error, warning, info or assert.

Usage:
Tools::fd('test');
		Tools::fd('test', 'debug');
		Tools::fd('test', 'info');
		Tools::fd('test', 'warn');
		Tools::fd('test', 'error');
		Tools::fd('test', 'assert');
// not commited sorry
Merge pull request #229 from PrestaEdit/patch-18

[*] Class Tools: enhance fd method
Merge pull request #222 from PrestaEdit/patch-17

[-] MO: fix a problem with the wishlist_link
Merge pull request #219 from redpik/patch-1

[*] FO : oosHook must be a div, not a paragraph
Merge pull request #214 from macodev/development

[-] FO : fixed smarty curly bracket
[-] MO : Update cart function was not functionning + optis
[-] FO: fixed bug Block Cart in columns disappear if product is removed - #PSCFV-7495
// Too many bugs on PDO with PHP < 5.2
[-] INSTALLER : fixed bug #PSCFV-5702 - error javascript when password have a simple quote
[-] MO : Fix bug #PNM-985 bad zone for cariier listing update
[-] MO : Fix bug #PNM-985 bad zone for carrier listing update