Did you change get_header by get_i18n_header, and get_navigation by get_i18n_navigation in your template?
My tests have been done with Spanish (es) as default language but I edited it for you :-)
BTW I've used GS 3.1.2. I'll try with 3.2
My tests have been done with Spanish (es) as default language but I edited it for you :-)
BTW I've used GS 3.1.2. I'll try with 3.2