Added button on AllDevices window, and handling for it.
Added needed messages for communication with service bluetooth.
Feature is now complete on application settings side.
Further integration in service bluetooth is needed.
To be able to connect to the BT device with more than one audio
profile, we need something to manage those profiles. Created here
ProfileManager made it convenient
To be able to work properly with BT, CPU freq has to be at least
at Level_5 - to be fixed!