Install latest npm on Travis
Install latest npm on Travis

Maybe, this will fix the problems with publishing

varya/gemini,pazone/gemini,HDevel/gemini,gemini-testing/gemini,racing-post/gemini,pazone/gemini,HDevel/gemini,varya/gemini,vladislav-sevostyanov/gemini,sergesemashko/gemini,racing-post/gemini