ESDEV-1127 Change language class so it could return languages by shop Adding methods to return all languages of all shops
ESDEV-1127 Change language class so it could return languages by shop Adding tests
ESDEV-1127 Change language class so it could return languages by shop Adding all shop languages getter setter in oxShopViewValidator
ESDEV-1127 Change language class so it could return languages by shop Updating oxShopViewValidator test
ESDEV-1127 Change language class so it could return languages by shop Updating oxLangTest and oxShopViewValidator test
ESDEV-1127 Change language class so it could return languages by shop Refactoring oxLang class
ESDEV-1127 Change language class so it could return languages by shop Refactoring oxShop class
ESDEV-1127 Change language class so it could return languages by shop Refactoring oxLang class