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.

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

NightsKeeper_v0.86b