moving from coveralls to codecov

https://coveralls.io/github/Tonejs/Tone.js kept returning a 406 error

.gitignore

@@ -18,7 +18,7 @@ test/performance
 test/mainTest.js
 test/Main.js
 test/supports.html
-test/coverage/
+coverage/
 
 build/*
 

.travis.yml

@@ -7,7 +7,9 @@ install:
 - npm install
 - git config --global user.email "travis@travis-ci.org"
 - git config --global user.name "Travis CI"
-script: npm run test:travis
+script: 
+  - npm run test:travis
+  - npm run codecov
 before_deploy: 
   - npm run increment
   - npm run tsd

package.json

@@ -13,6 +13,7 @@
   ],
   "scripts": {
     "build": "npm run increment && npm run collect:deps && webpack -p --env.production",
+    "codecov": "codecov",
     "collect": "npm run collect:deps",
     "collect:deps": "node scripts/collect_deps.js",
     "collect:tests": "node scripts/collect_tests.js --file $npm_config_file --dir $npm_config_dir",
@@ -56,6 +57,7 @@
     "@babel/polyfill": "^7.0.0-beta.47",
     "audiobuffer-to-wav": "^1.0.0",
     "chai": "^1.9.1",
+    "codecov": "^3.1.0",
     "concurrently": "^3.5.1",
     "eslint": "^4.19.1",
     "eslint-plugin-html": "^5.0.0",
@@ -68,7 +70,6 @@
     "karma": "^3.0.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-coverage": "^1.1.1",
-    "karma-coveralls": "^2.0.0",
     "karma-firefox-launcher": "^1.1.0",
     "karma-mocha": "^1.3.0",
     "karma-safari-launcher": "^1.0.0",

scripts/karma.conf.js

@@ -44,17 +44,16 @@ module.exports = function(config){
 		// test results reporter to use
 		// possible values: 'dots', 'progress'
 		// available reporters: https://npmjs.org/browse/keyword/karma-reporter
-		reporters : ["dots", "coverage", "coveralls"],
+		reporters : ["dots", "coverage"],
 
 		coverageReporter : {
 			type : "lcov",
-			dir : "test/coverage/"
+			dir : "./coverage"
 		},
 
 		//plugins
 		plugins : [
 			"karma-coverage",
-			"karma-coveralls",
 			"karma-mocha",
 			"karma-webpack",
 			"karma-chrome-launcher",