fix many ui tests

.../angularjs/enrichedheadline/enrichedheadline.directive.js

...Home/angularjs/reporting-page/reportingpage.controller.js

plugins/CoreHome/angularjs/widget/widget.directive.html

plugins/CoreHome/angularjs/widget/widget.directive.js

...oreVisualizations/templates/_dataTableViz_sparklines.twig

plugins/Dashboard/angularjs/dashboard/dashboard.directive.js

plugins/Dashboard/javascripts/dashboard.js

plugins/Dashboard/javascripts/dashboardObject.js

plugins/Dashboard/javascripts/dashboardWidget.js

plugins/Morpheus/javascripts/piwikHelper.js

...ed/test_apiGetReportMetadata__API.getSegmentsMetadata.xml

tests/UI/expected-ui-screenshots

tests/UI/specs/Login_spec.js

tests/UI/specs/RowEvolution_spec.js

tests/UI/specs/UIIntegration_spec.js