Merge branch 'master' into log-refactoring-1

.gitmodules

core/Tracker/VisitExcluded.php

libs/PiwikTracker

libs/PiwikTracker/LICENSE.txt

libs/PiwikTracker/PiwikTracker.php

plugins/Actions/Reports/GetExitPageUrls.php

plugins/Actions/Reports/GetPageTitles.php

plugins/VisitorGenerator

tests/PHPUnit/Integration/OptionTest.php

tests/PHPUnit/Integration/Tracker/VisitTest.php

tests/PHPUnit/Integration/UpdaterTest.php

tests/PHPUnit/Integration/WidgetsListTest.php

tests/PHPUnit/System/CliMultiTest.php

...it_InEachOfThreeDays__Live.getLastVisitsDetails_month.xml

tests/PHPUnit/Unit/Columns/DimensionTest.php

tests/PHPUnit/Unit/CommonTest.php

tests/PHPUnit/Unit/DateTest.php

tests/PHPUnit/Unit/MetricsTest.php

tests/PHPUnit/Unit/UrlHelperTest.php

...-logs/fake_logs_visits_in_reverse_chronological_order.log