Replace travis script to fetch configlet
Replace travis script to fetch configlet

NobbZ/xcpp,lukasz-m-maciejewski/xcpp,patricksjackson/xcpp,daniellehrner/xcpp,patricksjackson/xcpp,oalbe/xcpp,oalbe/xcpp,daniellehrner/xcpp,exercism/xcpp,NobbZ/xcpp,exercism/xcpp,lukasz-m-maciejewski/xcpp