Refs #472 Adding Events Segments tests

core/API/DocumentationGenerator.php

core/Segment.php

plugins/API/API.php

plugins/DevicesDetection/DevicesDetection.php

plugins/Events/Events.php

plugins/Live/Visitor.php

plugins/Referrers/Referrers.php

plugins/UserSettings/UserSettings.php

tests/PHPUnit/Fixtures/ManyVisitsWithGeoIP.php

tests/PHPUnit/Integration/CustomEventsTest.php

...st_AutoSuggestAPITest__Live.getLastVisitsDetails_year.xml

...gestAPITest_actions__API.getSuggestedValuesForSegment.xml

...t_AutoSuggestAPITest_actions__VisitsSummary.get_range.xml

...toSuggestAPITest_browserCode__VisitsSummary.get_range.xml

...uggestAPITest_browserVersion__VisitsSummary.get_range.xml

...test_AutoSuggestAPITest_city__VisitsSummary.get_range.xml

...SuggestAPITest_continentCode__VisitsSummary.get_range.xml

...toSuggestAPITest_countryCode__VisitsSummary.get_range.xml

...tAPITest_customVariableName1__VisitsSummary.get_range.xml

...tAPITest_customVariableName5__VisitsSummary.get_range.xml