Update date in copyright notes

 LICENSE

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This project is licensed under the BSD 3-Clause license.

Copyright (c) 2016, Jacek Kowalski (http://jacekk.info)
Copyright (c) 2016-2017, Jacek Kowalski (http://jacekk.info)
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, 

 index.html

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                    <p class="small" data-translate="help_text">Relative times (eg. 3 min) are real-time arrivals based on tram location data. Absolute times (eg. 8:01) are scheduled departures, shown when the tram cannot be located. "?" means unknown delay.</p>
                    
                    <p class="small">&copy; 2016 Jacek Kowalski - <a href="https://github.com/jacekkow/mpk-ttss" data-translate="help_source">Source</a> - <a href="https://raw.githubusercontent.com/jacekkow/mpk-ttss/master/LICENSE" data-translate="help_license">License</a></p>
                    <p class="small">&copy; 2016-2017 Jacek Kowalski - <a href="https://github.com/jacekkow/mpk-ttss" data-translate="help_source">Source</a> - <a href="https://raw.githubusercontent.com/jacekkow/mpk-ttss/master/LICENSE" data-translate="help_license">License</a></p>
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