Rename Piwik_TestingEnvironment to TestingEnvironment and move the class to Piwik\Tests\Framework namespace. Remove manual require statements.

Add regression UI test for themes. Uses ExampleTheme to test theming still works (in general).

#8015 Re-add some box-shadows that were actually working to make sure the pull request introduces absolutely no visual change

Fixing those rules in #8015 changed some UI components as it added a shadow (which wasn't showing before because broken). With this commit, those shadows are now removed so that #8015 doesn't introduce any visual change.

Fix random test failure caused by opcache failing to invalidate tracker cache when part of the file is removed. Fix is only for forceIpAnonymization tracker test query param.

[automatic translation update] Updated 339 strings in 10 languages (sr, es, ro, bg, hr, tr, ru, nl, ja, nn)

New design for simple table layouts w/ non-API CSS class simple-table. To be eventually replaced w/ styling table elements directly.

Following discussion in piwik/piwik#7895 the default table style is under the simple-table class name

Force html templates to reload when development mode is enabled

fix core folder with php-cs-fixer for psr-2

Moved i18n data to core/Intl

This test enables the example theme and checks that it works.

added country and language translations based on old piwik data and unicode-cldr/cldr-localenames-full

I removed the line entirely:

- I couldn't find the matching variable (was most likely removed since then)
- if the line was broken before (silently ignored) then it's like it didn't exist

They are useless since box-shadow is supported in all browsers except IE 8 (in which using a prefix doesn't help anyway).

See https://github.com/leafo/lessphp/issues/302 and http://stackoverflow.com/questions/15426256/override-less-variables

There are still many IGNORE keywords left and we should remove them to be Mysql 5.7 compatible

Adding Config instance to DI and move all Config related test setup code from Config.php and TestingEnvironment.php to TestConfig class. Introduced completely internal EnvironmentManipulator concept so tests can change paths of local/global/common INI config file.