ENH:  file type, Test panel and namespace check are localized.
TEST: update Japaense translation
ENH: localize strings in _psychopyApp.py (e.g. strings on splash window) - order of importing module in psychopyApp.py is modified.
FF: tooltips of dots, sound and static component are fixed.
FF: title of PsychoPy Updates Dialog is localized.
ENH: Strings in stdOutRich.py are localized.
FF: unlocalized menu items, buttons and messages in Builder.py and Coder.py are localized.
TEST: update Japanese translation