Added example of scanning for BLE devices.
Added example of scanning for BLE devices.

divineprog/cordova-ble,mikaelkindborg/cordova-ble,divineprog/cordova-ble,fredrikeldh/cordova-ble,evothings/cordova-ble,evothings/cordova-ble,divineprog/cordova-ble,mikaelkindborg/cordova-ble,evothings/cordova-ble,mikaelkindborg/cordova-ble,fredrikeldh/cordova-ble,fredrikeldh/cordova-ble