update:

1 add items to device setting menu to be consistent with action mode
2 language files
3 algorithm for Device.isAllDeviceSelected
4 check data!=null in onActivityResult()
fix:
1 device multi-selection bug: when check SparseBooleanArray, using wrong size
2 clear panelList when loading screen onResume(), to prevent error when navigate back go loading screen and re loading panels
bump version number to 0.7.2, before merge develop branch
0.7.2
switch branch test
update:

add scroll bar for deviceInfoList and rearrange layout
update:

1 "userLandscape" instead of "landscape" so app can rotate now.
2 in DeviceListFragment, add onSaveInstanceState, save current selected group and device location
   and in onCreate, re-select this device if savedInstanceStats is not null