update: Name Device Location, Enter
fixed: loadingScreen demoBtn double click create duplicated panels

added: icon for id
update: panelActivity can navigate back to loading screen now
update: imgButton on loading screen to plain button
update: app_name and device info list descriptions
update: when navi back to loading screen, in onResume(), re-enalbe
buttons and hide progress bars
update: move panel ip address to panel info
update: check isDemo when action clicked
update: set device name dialog also set the location in device list now;
dummy objects need to be setup
bug fix: showDevices for panels not working. 

Cause: in PanelListFragment, get panel from panelList instead of
DataList
update: "about" "Mackwell N-Light Android" to "Mackwell N-Light Connect"
remove version in panel list fragment
update: 1 device.getBattery() added DecimalFormat

2 demoMode dummy devices
update: device battery level
fix: MyExpandableListAdapter to have fixed headerTitle instead of get
loop name;
update: when action mode button clicked, actionmode is not finished();
connection upgrade
update: gtin and sn for panels and devices
update: fs 200 to 72