refs #3490 JS lint + add test for Segment `userId` Auto Suggest

js/piwik.js

piwik.js

tests/PHPUnit/Fixtures/ManyVisitsWithGeoIP.php

...t_AutoSuggestAPITest__Live.getLastVisitsDetails_range.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

...Test_customVariablePageName2__VisitsSummary.get_range.xml

...Test_customVariablePageName4__VisitsSummary.get_range.xml

...Test_customVariablePageName5__VisitsSummary.get_range.xml

...est_customVariablePageValue2__VisitsSummary.get_range.xml

...est_customVariablePageValue4__VisitsSummary.get_range.xml

...est_customVariablePageValue5__VisitsSummary.get_range.xml

...APITest_customVariableValue1__VisitsSummary.get_range.xml

...APITest_customVariableValue5__VisitsSummary.get_range.xml