init
basic ui
modify menu name
delete test code
wrapper callback method from c to obj-c
add thread to call usb listener
add preference operation code
read device list from plist
add write plist feature
add prefpane xib file
trivial update xib
add preference window
trivial change window position
move delegate from usb manager to window controller
add focus on new window
add icon to app
implement delegate method
window does not changed
window init is done
add close window feature