Merge pull request matomo-org#99 from matomo-org/php81fixes

Another PHP 8.1 fix

Merge pull request matomo-org#98 from matomo-org/php81fixes

Couple of fixes for PHP 8.1

Merge pull request matomo-org#97 from matomo-org/double-newline-bugfix

Fix for double newline issue when a redirect is used

Merge pull request matomo-org#94 from exussum12/patch-1

Sync to the BSD-3 licence

Merge pull request matomo-org#81 from matomo-org/new-release

add two new changelog entries and set new version to 3.0

Merge pull request matomo-org#58 from matomo-org/php7

Mark package as compatible with PHP 7

Merge pull request matomo-org#57 from matomo-org/classavailability

Ensure PiwikTracker and MatomoTracker are both available

Merge pull request matomo-org#55 from madman-81/master

Remove duplicate class PiwikTracker

Merge pull request matomo-org#51 from matomo-org/rebrand

Rebrand from Piwik to Matomo

Merge pull request matomo-org#52 from matomo-org/scriptnamenotdefined

Prevent notice script_name not defined