adds codeCov.io, removes code climate

closes #1670

.travis.yml

 language: node_js
 node_js:
   - 'node'
-before_install:
-  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
-  - chmod +x ./cc-test-reporter
+install:
+  - npm install -g codecov
 
 before_script:
   - npm install
 
-# Pipe the coverage data to Code Climate
-after_script:
-  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
+script:
+  - npm test
+  - codecov

jest.json

 {
+  "collectCoverage": true,
   "collectCoverageFrom": [
     "src/**/*.{js,jsx}"
   ],

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "lint": "node_modules/.bin/eslint ./ && node_modules/.bin/sass-lint -v ./src/styles/**/*",
     "server": "node_modules/.bin/http-server",
-    "test": "npm run build && npm run lint && jest -c jest.json --coverage",
+    "test": "npm run build && npm run lint && jest -c jest.json",
     "test:watch": "jest -c jest.json --watch",
     "build": "webpack --mode=production",
     "build:dev": "webpack --mode=development",
@@ -46,6 +46,7 @@
     "babel-jest": "^23.6.0",
     "babel-loader": "^8.0.4",
     "babel-plugin-named-asset-import": "^0.2.3",
+    "codecov": "^3.1.0",
     "concurrently": "^4.0.1",
     "css-loader": "^1.0.0",
     "enzyme": "^3.4.4",