Version 1.0.0

On Christmas Eve, we are happy to announce Pico's first stable release!
The Pico Community wants to thank all contributors and users who made this possible.
Merry Christmas and a Happy New Year 2016! 🎅

* [New] Adding `$queryData` parameter to `Pico::getPageUrl()` method
* [Changed] Improve documentation
* [Changed] Moving `LICENSE` to `LICENSE.md`
* [Changed] Throw `LogicException` instead of `RuntimeException` when calling
            `Pico::setConfig()` after processing has started
* [Changed] Default theme now highlights the current page and shows pages with
            a title in the navigation only
* [Changed] #292: Ignore YAML parse errors (meta data) in `Pico::readPages()`
* [Changed] Various small improvements and changes...
* [Fixed] Support empty meta header
* [Fixed] #307: Fix path handling on Windows