Better Wifi On/Off

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- Updated russian translations
- Add option to leave wifi on when screen goes off but a connection is active
- Loading application whitelist is now asynchronous
- Added timed checks: regularly turn Wifi on (all rules apply)
- Fixed event log for enabling/disabling from the widget
- A better detection of the donate version
- Fixed alarm "null" error leaving Wifi on
- Fixed event log for power connected / disconnected
- Implemented more sophisticaled cage detection