Merge branch 'master' of https://github.com/piwik/piwik

core/Config.php

core/DataTable/Renderer/Rss.php

core/Log/ErrorScreenFormatter.php

core/Piwik.php

core/testMinimumPhpVersion.php

plugins/API/Controller.php

plugins/API/templates/listAllAPI.twig

plugins/CoreHome/templates/_periodSelect.twig

plugins/CoreHome/templates/_topBarTopMenu.twig

plugins/CorePluginsAdmin/templates/extend.twig

plugins/CoreUpdater/templates/newVersionAvailable.twig

plugins/CoreUpdater/templates/runUpdaterAndExit_welcome.twig

plugins/CoreVisualizations/javascripts/jqplot.js

plugins/ExamplePlugin/Controller.php

plugins/Feedback/stylesheets/feedback.less

plugins/Feedback/templates/index.twig

plugins/Goals/templates/_titleAndEvolutionGraph.twig

plugins/Installation/Controller.php

plugins/Installation/templates/_systemCheckLegend.twig

plugins/Installation/templates/_systemCheckSection.twig