Fix Travis - use https protocol for submodules
Fix Travis - use https protocol for submodules

loomchild/puffin,puffinrocks/puffin,loomchild/puffin,puffinrocks/puffin,loomchild/jenca-puffin,loomchild/puffin,loomchild/puffin,loomchild/puffin,loomchild/jenca-puffin