* move setting visitor details into own classes instead of using an event

* move manipulating actions to VisitorDetails classes

* move some more parts to plugins

* update test files as order of columns changed

* implement new VisitorDetails method to provide actions

* move rendering actions to visitordetail classes

* render visitor properties in new classes

* makes it possible to attach icons to visitor log

* moves rendering of action tooltip into new visitordetails method

* adds event for extending custom action dimension fields

* small improvements

* fetch log_link_visit_action.idpageview for actions

* improve variable name

* started to improve/change visitor profile

* show devices summary in visitor profile

* also remove empty xml tags for api tests

* hide actions in visitor profile by default

* move all icons to the middle of visitor log

* small change

* move rendering referrer information to referrers plugin

* move provider logic to provider plugin

* show content interactions in visitor log

* improve look of content interactions/impressions in visitor log / profile

* hide idpageview from tests

* update changelog

* move rendering events to Events plugin

* do not hide duplicate page views in visitor log, but show them with a refresh icon instead

* show top visited pages in visitor profile

* always show visitor profile link in visitor log

Still hidden in a widget by default, as it might overlay some other content

* Show info about not shown actions

truncated due to config setting

* use bulk queries to fetch actions instead of fetching them for each visit

* small adjustments

* improve some loops to improve memory usage

* move gathering visitor profile informations to VisitorDetails classes

* update screenshots

* update test files

* move rendering of visitor profile summary to visitor details classes

* improve templates

* Makes VisitorDetailsAbstract class api and improves comments

* show visit details in visitor profile

* improve css

* reverse enumeration of visits in visitor profile

* improve css

* Show visit id in IP tooltip

* Small CSS improvements

* further adjustments

* sort devices by count

* adds UI tests for visitor log and profile

* Show bandwidth in visitor profile test

* show actions by default and add button to toggle all together

* CSS cleanup

* remove border around refresh icon

* add tooltip for refresh icon in profile

* move first/last visit before top visited pages

* Improve text shown for unique pageviews

* link urls in top visited pages

* improve sorting of device list

* improve tests

* Improve device overview in visitor profile

* only render top pages if at least one page was visited more than once

* make visitor id non bold

* hide visitor type icon in profile, and show latest visits icons in overview

* fix search engine icon in visitor details

* small improvements

* only render view if required

* show visit icons only on hover in profile

* remove from again

* test improves

* show text besides icon in profile header

* improve tests

* Removes unused CSS and JS

* Reformats CSS

* Removes invisible paper clip

* Removes unused profile images from Live plugin

* raise test timeouts

* Improve UI tests splitting for travis

* show device type in profile header if no resolution is available

* prevent text overlapping

* no retries

* fix test

* change summary order

* fix position of export icon

* fixes tooltip text

* improve pages overview

* visitor details order

* action tooltip order

* show only ecommerce icon if no goals where converted

* show custom variables summary in profile

* show user id in same size as headline

* link referer urls for first/last visit in profile

* make profile xml compatible

* try to improve ui test

* increase bottom marign

* increase version number

* small adjustments

* CSS Rewrite for visitor profile

* center action icons in visitor log and profile

* improve widgetized visitor profile

* small layout fix

* always populate raw referrer url for visitor details

* update expected test files

* Refactor profile summaries into additional classes

* update screenshots

* submodule update

* update piwik-icons submodule (#11904)

* update piwik-icons submodule

* fix some system tests

* update screenshots

* make device list xml compatible

* improve translation

* improve icon position

* improves spacings

* update test files

* small css improvement

* update screenshots

* Do not hide select box for metric selection

* update screenshots

* update device detector

* sort brands for segment

* submodule update

When tracker is in maintenande mode return HTTP status code 503 (instead of the current 200 and 400 http status cods) (#11773)

* When tracker is in maintenande mode, return HTTP status code 503 instead of the current status of 200 or 400

This will make our return code consistent with the UI which also returns 503 while in maintenance mode

 Learn more about starting a maintenance window: https://piwik.org/faq/how-to-update/faq_154/

* Update TrackerResponseTest.php

* Update TrackerResponseTest.php

JS Tracker: new setCrossDomainLinkingTimeout function useful to set a higher timeout for links (#11828)

* JS Tracker: new setCrossDomainLinkingTimeout function useful to set a higher timeout for links

and increasing the default to 120 seconds

* Code review feedback

* Compiled Piwik.js

* fix one test

* Fix tests

* remove debugger;

* fix #11815

* move arrow out of text

* Update UI tests

* Use localized format to display hour in Visits per time reports

* updates cldr data

* update test files

Note: Tests were failing as current time stamp no starts with 15 instead of 14. Changing it should fix it for the next years, until it starts with 16...

* Make it possible to view Ecommerce Log with segment

* adds UI test for segmented ecommerce log

* adds screenshot for UI test

* use Http::buildQuery()

* ensure version numbers are always the same

* try to fix ui test

* updates expected screenshots

* fix remaining overlay ui test

* updates composer packages

* update tests

* Fixing travis-ci/local inconsistencies in AutoSuggestAPITest.php. (userAgent was not correctly set in fixture)

* In CliMulti, ignore zombie processes when parsing ps output.

* Set URL of tracker in ThreeVisitsWithCustomEvents fixture, so test does not depend on _SERVER["HTTP_HOST"] which in turn depends on dynamic INI config value.

* PHPUnit tests should not refer to each other, otherwise the PSR autoloader will be used, and PHPUnit will not load the file itself (resulting in the test not being run).

* Update OneVisitorTwoVisitsTest expected files.

* URL encode attribution date time in fixture since the tracker will not do it itself.

* "Send an email when a plugin update is available" is On by default since Piwik 3.0.0-b1

follows up https://github.com/piwik/piwik/pull/10691

* UI screenshot

* Improve handling of DevicePlugins to make it extendable

* update test files

* add some comments to explain automatic plugin column detection

* submodule update

* add support for email and url form fields

* UI test

* update icon submodule

* fix UI tests

* fix system tests

* fix another UI test

* Fix system test

* fix #11681 make sure plugins in config.ini.php are sorted depending on dependencies

* added comment

* add missing tests

* fix a bug in the join generator

* add another test case to make sure the outer table foreach still works when removing an item

* throw exception if table cannot be joined automatically

* Add possibility to ignore "no data recorded" screen for one hour

* update screens

* update wording

* Add more plugin links

* added missing templates

* consistent font size

* UI tests show the new messages

* Adds MarketingCampaignsReporting as submodule

* update ui tests

* Automatically load required plugins during test

When a plugin requires another plugin in `plugin.json`, this will make sure to load the required plugin as well (if it exists in filesystem) when running the tests.

* Load plugin json manually without metadata loader as container is not created yet

* only load plugin.json if it exists