update:
1 Add permission of the app, add Read_External_Storage
2 Add preference "pref_custom_icons" for setup customization pictures for app, pick from media gallery
3 Add in BaseActivity, onResume(), load activity action bar icon from preference
update:

1 device action bar icon
2 pref_app_icons language
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