Merge pull request #2 from wangzhaojiang/master

merg
modify conf file
conf
Merge pull request #11 from shui8023/master

Merge pull request #2 from wangzhaojiang/master
update
Merge branch 'master' of github.com:wangzhaojiang/Network-learning-platform
add message_board *
get the conf file param
mv
update
增加 当执行结果返回为空的情况  返回 nothing
rebuild relation.class.php
Merge pull request #12 from Jensyn/master

Merge pull request #2 from wangzhaojiang/master
Merge pull request #3 from wangzhaojiang/master

同步代码