Merge pull request #1 from iwqbb/develop

Test
Add Bluetooth class
Add bluetooth members and thier getter
Implement connectSocket method
Implement closeSocket method
Implement Constructor of 'Bluetooth' Class
Implement write() method
Implement setBluetoothDevice method
Add NullPointerException process for setBluetoothDevice method
Add permission of 'BLUETOOTH' and 'BLUETOOTH ADMIN'
Fix around of exceptions
Replace static createRfcommSocket method with dynamic it
Change Log.d() method's place
Merge pull request #2 from iwqbb/bluetooth_base

Bluetooth base
Implement button_send1
Implement initialization and end processing of bluetooth on activity
Implement onClickButton1 method
Fix onDestroy method
Merge pull request #3 from iwqbb/button

Button
Merge pull request #4 from iwqbb/button

strings and debugable