Travis: fix script that updates "snapshots" page on Github
Travis: fix script that updates "snapshots" page on Github

This should fix https://github.com/liblouis/liblouis/issues/579

hammera/liblouis,BueVest/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,hammera/liblouis,BueVest/liblouis,liblouis/liblouis,hammera/liblouis,hammera/liblouis,hammera/liblouis,liblouis/liblouis,BueVest/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,BueVest/liblouis,hammera/liblouis