Added code coverage support for https://codecov.io/ and fix travis.yml

Author: JayeshLab

Diff for: .travis.yml

@@ -1,7 +1,11 @@
 language: node_js
 node_js:
   - "node"
+install:
+  - npm install
 script:
   - npm run lint
-  - npm run build
+  - npm run build:docs
+  - npm run release
   - npm test
+  - codecov

Diff for: README.md

@@ -1,5 +1,11 @@
 # Vue Numeric Input
 
+[![npm](https://img.shields.io/npm/v/vue-numeric-input.svg?style=flat-square)](https://www.npmjs.com/package/vue-numeric-input)
+[![npm](https://img.shields.io/npm/dt/vue-numeric-input.svg?style=flat-square)](https://www.npmjs.com/package/vue-numeric-input)
+[![Build Status](https://travis-ci.org/JayeshLab/vue-numeric-input.svg?branch=master)](https://travis-ci.org/JayeshLab/vue-numeric-input)
+[![codecov](https://codecov.io/gh/JayeshLab/vue-numeric-input/branch/master/graph/badge.svg)](https://codecov.io/gh/JayeshLab/vue-numeric-input)
+[![npm](https://img.shields.io/npm/l/vue-numeric-input.svg?style=flat-square)](http://opensource.org/licenses/MIT)
+
 Number input component based on Vue that is a replacement of native input number with optional control.
 
 ![vue-numeric-input](https://user-images.githubusercontent.com/36194663/44717643-33e4ea00-aadb-11e8-82bf-e1fdeeea3bb5.gif)

Diff for: package.json

@@ -29,7 +29,8 @@
     "test": "npm run unit",
     "lint": "eslint --ext .js,.vue src test/unit",
     "build:docs": "webpack --config build/webpack.prod.conf.js",
-    "release": "webpack --hide-modules -p --progress --config build/webpack.release.conf.js"
+    "release": "webpack --hide-modules -p --progress --config build/webpack.release.conf.js",
+    "codecov": "codecov"
   },
   "devDependencies": {
     "autoprefixer": "^7.2.6",
@@ -43,6 +44,7 @@
     "chai": "^4.1.2",
     "chalk": "^2.0.1",
     "clean-webpack-plugin": "^0.1.19",
+    "codecov": "^3.0.4",
     "copy-webpack-plugin": "^4.0.1",
     "cross-env": "^5.0.1",
     "css-loader": "^0.28.0",

Diff for: test/unit/karma.conf.js

@@ -34,6 +34,7 @@ module.exports = function karmaConfig (config) {
       dir: './coverage',
       reporters: [
         { type: 'lcov', subdir: '.' },
+        { type: 'json', subdir: '.' },
         { type: 'text-summary' }
       ]
     }