重新获取当前路径防止重命名导致的路径改变造成传的路径不对
fix
Merge branch 'master' of https://github.com/AirCoding/AirCoding

Conflicts:
	app/controllers/FileController.php
	app/public/js/workplace/view/BootstrapTree.js
解决冲突，并未打开的文件添加data-path属性保存路径，方便操作
Merge branch 'master' of https://github.com/AirCoding/AirCoding

Conflicts:
	app/public/js/workplace/view/BootstrapTree.js
解决冲突