1. Revised meego-ux-settings to fix the power control bug; 2. Added new feature: when power is off, 'Add Device' button is unavailable.
1. Revised meego-ux-settings to fix the power control bug;
2. Added new feature: when power is off, 'Add Device' button is unavailable.

meego-tablet-ux/meego-ux-settings,meego-tablet-ux/meego-ux-settings