github push错误：
git push error: The requested URL returned error: 403 Forbidden while accessing https://github.com/wangz/future.git/info/refs
git version 1.7.1
OS:CENTOS
解决方案：
vim .git/config
修改
[remote "origin"] url = https://github.com/wangz/example.git
为：
[remote "origin"] url = https://wangz@github.com/wangz/example.git
再次git push，弹出框输入密码，即可提交