Merge branch 'master' of https://github.com/yuzhangbit/SearchPath

test the user
Squashed commit of the following:

commit 4065be86f84bcfd7fb0ddf41610740f7c087387a
更新了信号与槽函数，使其自动连接，显示搜索顺序
Merge: 68ddb59 faf952b
Author: yu.zhang.bit <yu.zhang.bit@gmail.com>
Date:   Tue Sep 23 00:53:44 2014 +0800

    Merge branch 'master' of https://github.com/yuzhangbit/SearchPath
更新软件