Nights Keeper v0.86b

Stabilization and bug fixing.

Bug fixing:
1) Exact time for turning on/off profile. It could take a long time in later version.
2) Application failed during turning off Bluetooth on some Android versions or devices.
3) Decries the delay before ringing.
4) Minor fixes in localizations.

1) Selected contacts at the beginning of contact list.
2) Android version and device name in log-report message.