* Move whole project to EUPL, copy MIT license to scripts/vendor/ and style/vendor/
* Added header to main PHP files
* Modified scripts in scripts/pi-hole/php
* Added header to scripts/pi-hole/js files
* Added license header to our custom style script
* Slight reformulation
This makes sure that the user doesn't accidentally cause the lists
to update because they were curious and clicked the Update Lists
link on the sidebar. Also, they can update the lists multiple
times, if they so desire.