travis CI: install locale
travis CI: install locale

pombredanne/stdeb,sathieu/stdeb,LeMeteore/stdeb,benthomasson/stdeb,LeMeteore/stdeb,astraw/stdeb,astraw/stdeb,pombredanne/stdeb,astraw/stdeb,benthomasson/stdeb,pombredanne/stdeb,benthomasson/stdeb,LeMeteore/stdeb,sathieu/stdeb,sathieu/stdeb