fix sth about ci build script readme

.coveralls.yml

@@ -0,0 +1,2 @@
+service_name: travis-ci
+repo_token: OzuBj03jOd8HSTlntlr7iPf7c2XmOJl5O

.travis.yml

@@ -7,4 +7,6 @@ install:
     npm --version
     npm install --registry http://registry.npmjs.org
 script:
-    - npm test
+    - npm run cover
+after_script:
+    - npm run coveralls

README.md

@@ -1,5 +1,8 @@
 # k-core
 
+[![Build Status](https://travis-ci.org/leowang721/k-core.svg?branch=master)](https://travis-ci.org/leowang721/k-core)
+[![Coverage Status](https://coveralls.io/repos/github/leowang721/k-core/badge.svg?branch=master)](https://coveralls.io/github/leowang721/k-core?branch=master)
+
 If in pure Node.js, then version > 7.5.0 is required.
 
 Otherwise you can use babel.
@@ -31,4 +34,8 @@ Using eventemitter3, uncontrolled version(^2.0.2)
 I enjoyed using the `fire` api instead of `emit`, so I just add it.
 
 ## Workflow
-A simple Class for asynchronous control flow.
+A simple Class for asynchronous control flow.
+
+Just like koa's middleware control.
+
+but in async/await version.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "k-core",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "license": "MIT",
   "author": {
     "name": "Leo Wang",
@@ -27,11 +27,13 @@
     "babel-preset-stage-0": "^6.22.0",
     "babel-register": "^6.24.0",
     "chai": "^3.5.0",
+    "coveralls": "^2.12.0",
     "mocha": "^3.2.0",
     "nyc": "^10.1.2"
   },
   "scripts": {
     "test": "./node_modules/.bin/mocha --compilers js:babel-core/register --require babel-polyfill",
-    "cover": "NODE_ENV=test node_modules/.bin/nyc node_modules/.bin/mocha"
+    "cover": "NODE_ENV=test node_modules/.bin/nyc node_modules/.bin/mocha",
+    "coveralls": "cat ./test/coverage/lcov.info | ./node_modules/.bin/coveralls"
   }
 }