Copyright info updated

[bugdisclose]

updated Copyright (C) 2017 - 2019 BoostIO to Copyright (C) 2017 - 2020 BoostIO

Description

Issue fixed

Type of changes

• ⚪ Bug fix (Change that fixed an issue)
• ⚪ Breaking change (Change that can cause existing functionality to change)
• ⚪ Improvement (Change that improves the code. Maybe performance or development improvement)
• ⚪ Feature (Change that adds new functionality)
• ⚪ Documentation change (Change that modifies documentation. Maybe typo fixes)

Checklist:

• ⚪ My code follows the project code style
• ⚪ I have written test for my code and it has been tested
• ⚪ All existing tests have been passed
• ⚪ I have attached a screenshot/video to visualize my change if possible

[ZeroX-DG]

@developersatyendra can you update all the translation files too? For example:
https://github.com/BoostIO/Boostnote/blob/master/locales/cs.json#L87

Thank you for your contribution

[bugdisclose]

Yes, I'm updating all

Thanks