update: 

1 device GTIN int array
2 device list select active background
update: <application android:theme = "@android:style/Theme.Holo">

styles.xml parent= android:Theme.holo
remove: buttons on panelinfo fragment and image for device info as
device item clicked
fixed: panel and device GTIN array

when parssing, gtinArray was not initiated, which will cause null point
add: device ft st dt id functions
update:
1	remove actionbar on loading screen
2	add navigate back option for deviceActivity
update: refreshStatus on PanelListFragment created

add refreshStatus() to refesh menu button

remove 3 buttons("gone") in PanelListFragment