改善拖动以及去掉格子拖动
Merge pull request #4 from Tanking-1988/master

改善拖动以及去掉格子拖动，之前的格子拖动上传错了！！
add open user-home and computer
Merge pull request #5 from Tanking-1988/master

add open user-home and computer
change to pull-request development mode
implement the icon find function defined by FreeDesktop.org but has some async troubles..
Merge pull request #7 from CannedFish/dentry

#Dentry_IconFound+CannedFish->Tanking