update coveralls

.coveralls.yml

@@ -0,0 +1,2 @@
+json_path: coveralls-upload.json
+service_name: travis-ci

.travis.yml

@@ -6,7 +6,9 @@ php:
 before_script:
   - composer install
 
-script: phpunit --coverage-text
+script: phpunit --coverage-clover clover.xml
+
+after_success: vendor/bin/php-coveralls  -v --exclude-no-stmt -x clover.xml
 
 notifications:
   email:

README.md

@@ -2,6 +2,8 @@ Shrimp-wechat-sdk
 =================
 
 [![Build Status](https://travis-ci.org/TianLiangZhou/shrimp-wechat-sdk.svg?branch=master)](https://travis-ci.org/TianLiangZhou/shrimp-wechat-sdk)
+[![Coverage Status](https://coveralls.io/repos/github/TianLiangZhou/shrimp-wechat-sdk/badge.svg?branch=master)](https://coveralls.io/github/TianLiangZhou/shrimp-wechat-sdk?branch=master)
+[![Maintainability](https://api.codeclimate.com/v1/badges/eb4a04fc8f43da3ccef0/maintainability)](https://codeclimate.com/github/TianLiangZhou/shrimp-wechat-sdk/maintainability)
 [![License](https://img.shields.io/badge/license-mit-blue.svg)](LICENSE)
 
 小虾米微信SDK是一个针对微信公众平台接口的封装。目前已实现了用户、素材、消息、菜单相关的接口，还有自动回复的处理。

composer.json

@@ -18,7 +18,8 @@
     "require-dev": {
         "squizlabs/php_codesniffer": "^2.5",
         "phpunit/phpunit": "^6.0",
-        "friendsofphp/php-cs-fixer": "^2.3"
+        "friendsofphp/php-cs-fixer": "^2.3",
+        "php-coveralls/php-coveralls": "^2.0"
     },
     "autoload": {
     	"psr-0": {