* use new device icons

former plugins/DevicesDetection/images/screens

* replace normal.png with desktop.png in tests

* fix most tests

* submodule updates

* update screenshots

* update exptected test files

* fix action enumeration in visitorlog

* update expected screenshots

* Improve 'No data recorded yet' page

* updates expected UI screenshots

* slightly improve text

* update screenshot

* Improve layout of error and maintenance scrrens

* improve header on update pages

* use svg logo as default

* update screenshots

* updated flag icons

* remove lines completly

* Visitors in Real-time

* added ti flag

* fix merge

* readd logoHeight

* remove flags from plugins/UserCountry/images/

* change flag directory

* (hopefully) fix all tests

* UserCountry system tests

* Fix tests refs https://github.com/piwik/piwik/pull/11553

* Fixed CustomDimensions tests

* remove unused flags

* remove flag of united nations

* System tests with new path

* light border around flags in goals and live view

* Fix BC system test

* border around flag in visitor profile

* Border around country flags in reports

* border around flag icons in HTML reports

* simpler css

* System tests

* UI tests show new flags + borders around them

* use report property to enable/disable flattener

* update tests

* Update changelog [ci skip]

* minor renamings

* add icons submodule

* replace path

* change submodule url

* fix JSONTest

* fix integration tests

* update icon submodules

* fix preg_match

* fix remaining system tests

* better match for non dist icon files

* fix .gitmodules

* update icon submodule

* Fixed custom dimension test

* Do not completely fail when GD not enabled

* Fix http test + refactor checklist

* Refactored the code into a method

* Changed icon path refs https://github.com/piwik/piwik/pull/11383

* System tests

* Update valid UI tests

* Fix integration test

* Improves plugin list filters

* match lowercase

* update ui tests

* show human readable value for default values

* update screenshots

* introduces new config setting to enabled plugin upload (disabled by default)

* updates changelog

* updates expected screenshot

* improve message

* Add system check for the hash() function

* Update expected screenshot for hash() system check

* Fix UI test error

* UI tests after fixing number of activated plugins

* adds simple API to provide CountryCode to name mapping

* New API method in API listing

* Updates changelog

* Do not count always activated plugins.
Fixes #11144

* UI test: Fixed count of activated plugins

* Adding newest Premium products to help page

* Premium plugins in help page

* avoids segment encoding issues

* fixes highlight for current segment in segment chooser

* update screenshots

* makes it possible to define the required credential fields in sms provider

* show error message if configured sms provider doesn't work, instead of throwing uncatched exception

* Adds new SMS provider ASPSMS.com

* Development SMS notifications didn't work when clicking 'send now'

Caused by the session already closed before, as it's done using a ajax request
calling a Session:start() reopens the session. Might be a bit hackish, but should be fine for development

* adds UI test for switching sms provider

* Makes API-Key default credential field to prevent breaking third party plugins

* fixes issue where save button was disabled falsely

* Fix the build

* UI tests

* Submodules

* UI test

* Fix MySQLI rounding tests

* CustomDimensions: Fixed require string

* Submodule

* submodule

* UI test

* Fixes #11299

New "Enable cross domain linking" checkbox in Javascript Tracker Code generator (Advanced section) (#11295)

* enable set domains when enable cross domains

* fix disable cross domain when only one site url or less

* New "Enable cross domain linking" checkbox in Javascript Tracker Code generator (Advanced section)

* Integration test

* API has new parameter

* Display Ecommerce Life Time Value in Visitor Profile
+ new fields returned in Live APIs: ecommerceLifeTimeValue, ecommerceLifeTimeOrdersCount

* Reuse existing API fields and make them "life time" instead of adding new fields

* Simplify LESS, consistent spacing

* Refactored code and made the"Abandoned carts" metric also Life Time instead of just last 100 visits

* Remove one join and use visitor ID instead of idvisit

* Tests

* UI test

* some work on tracking cross domain

* fix some bugs

* fix some edge cases

* fixed tests and added more new tests

* we also need a device specific id to avoid when time is not correct on a different computer etc

* more tests

* minified piwikjs

* use only one parameter and validate values

* fix tests

* improve code

* Re-generated piwik.js

* UI Test

* Comments

Email reports in HTML: Updated styling to be consistent with new Custom Alerts emails design  (#11251)

* Updated Email Report/Downloaded Report. Added new styling found in the Alert Email. i.e navigation bar uptop, styled tables, added powered by piwik footer. Note: "back to top" link only works on downloaded version, not on the email.

* Fixed the back to top link not working in emails.

* Fixed a bug where logo was not centered in gmail

* Translations

* Code cleanup and making PDF generation work

* removed htaccess

* fix unit test

* Some test fixes

* UI Test

* Fix tests

* Fixed custom dimension tests

* Contents plugin tests

* System tests: we now use PNG images

* System tests: we now use PNG images

* added new form icon

* UI tests

* Update main.less

* Update visitor_profile.less

* Update visitorProfile.js

* Update getVisitorProfilePopup.twig

* Update getSingleVisitSummary.twig

* UI tests update tag cloud + new icon

* And one more

* Making Visitor log look better + Fix alignment profile

* More tweaks

* UI tests