Update README doc for reply music
Merge branch 'master' of github.com:node-webot/wechat
完成Wechat的OAuth功能
Merge pull request #43 from node-webot/oauth

完成Wechat的OAuth功能
Bump 0.6.4
english document added
link fixed
add issue desc
Merge pull request #50 from turingou/master

document in English
Fix the sendVoice method's error
Merge pull request #51 from node-webot/fix_send_voice

Fix the sendVoice method's error
Bump 0.6.5
update the limit of sceneId in docs

http://mp.weixin.qq.com/wiki/index.php?title=%E7%94%9F%E6%88%90%E5%B8%A6%E5%8F%82%E6%95%B0%E7%9A%84%E4%BA%8C%E7%BB%B4%E7%A0%81
fix bug of QRCodeUrl
fix bug of QRCodeUrl
typo
Merge pull request #53 from imyelo/patch-2

fix bug of QRCodeUrl
Merge pull request #52 from imyelo/patch-1

update the limit of sceneId in docs
getAuthorizeURL has invalid url

stringquery.stringify has already applied 'encodeURIComponent', no need
to encode it in advance.
getUser should use access token instead of appid

According to Tencent wechat document, should use access token to get
user openid information.