Merge pull request #19 from djfm/master

[*] TR : French translation of theme installer and gamification
[-] MO : Bug fix : TNT Carrier, mutliple inclusion of Google Maps script
//added contact us link in gamification
Merge branch 'master' of https://github.com/PrestaShop/PrestaShop-modules
// Fixed error in gamification with AdminTab
[*] MO : New version for autoupgrade, update languages after 1.5.4.0 upgrade and del class_index.php
[-] MO : PayPal, pending status verification
//check if module is already install before try to install
Merge branch 'master' of https://github.com/PrestaShop/PrestaShop-modules
//new module version for gamification & themeinstallator
[-] MO : Bug fix #PNM-1116 : PayPal, refund fixed
Merge branch 'master' of http://github.com/PrestaShop/PrestaShop-modules
[-] MO : Bug fix #PNM-1204 : Jirafe, Tab name & languages
// Fixed translations
// There was still missing translation in gamification module
[-] MO : Jirafe, Check configuration
[-] MO : Trustly, text changed
[-] MO : Bug fix : SoColissimo, Form validation
// Update Klarna
[-] MO : Bug fix : Klarna, install missing languages packs (mails)