recommit
update jdk and soft source ip
update urls
add .htaccess modify patch*.sql
Update README.md
security update: add xss filter and htmlspecialchars to username and password judgment.
修改写cookie bug
fix typo
hadoop安装完成后提示。
fix login bug: user login over privileges
Merge branch 'master' of https://github.com/xianglei/easyhadoop into develop

Conflicts:
	EasyHadoopCentral/application/models/ehm_user_model.php
security update: can not change password with a fake post
remove unused file
debug
fix bug
data dir chown bug
Fix login and add real time monitoring charts
fix js
加入管理节点web启动,数据节点web安装启动功能
理节点web启动,数据节点web安装启动功能