Revert "Remove an unecessary JLoader call"

This reverts commit 971e1626c7c8f3457533d9cbd9adf51aaeff89a6.
Revert "Fixes #83, displaying menus from all content languages in megamenu toolbox"

This reverts commit 73ed9ee2bdc3a066b1234eac86520a7d1f68f867.