take coveralls for a spin

.travis.yml

@@ -2,4 +2,4 @@ language: node_js
 node_js:
   - node
 script:
-  - yarn test && codecov
+  - yarn test | coveralls

package.json

@@ -22,6 +22,7 @@
     "babel-core": "7.0.0-bridge.0",
     "babel-jest": "^23.0.1",
     "codecov": "^3.0.4",
+    "coveralls": "^3.0.2",
     "fuse.js": "^3.2.1",
     "gh-pages": "^0.11.0",
     "lint-staged": "^7.2.0",
@@ -85,6 +86,7 @@
     ],
     "coverageReporters": [
       "html",
+      "text-lcov",
       "text-summary"
     ]
   },