[WS] images are only shown as jpg or gif

If you enable BO to also use the PNG file you can not use these images in WS because there are no controls on the image type
// remove warning in multishop
// Clean Language::checkAndAddLanguage()
// Clean order_detail_tax table after deleting an order detail #PSCFV-8278
//removed moneybookers during install
//added _PS_CREATION_DATE_ in rewriteSettingsFile function
// delete multishop toolbar on adminstatuses
// same on admintabs
[-] FO : remove 404 images in Live Edit
[*] WS: Add contact entity
[-] BO : Fix live edit link
Merge branch 'release' of https://github.com/PrestaShop/PrestaShop into release
[-] Mobile : Bug fix : Combinations, radio buttons without select
// Fix product multishop association when the product is created before the shop
// Remove unnecessary fsockopen
[-] BO: fixed member "customer_id" to "id_customer" for address import in AdminImport
Merge pull request #325 from DrySs/patch-3

[-] BO: fixed member "customer_id" to "id_customer" for address import in AdminImport
Merge pull request #325 from DrySs/patch-3

[-] BO: fixed member "customer_id" to "id_customer" for address import in AdminImport
[*] Mobile : Shopping cart displays gifts
// Version number updated