Merge pull request #6861 from piwik/6637_multicache

composer.json

composer.lock

config/global.ini.php

config/global.php

core/Cache.php

core/Cache/CacheDecorator.php

core/Cache/CacheInterface.php

core/Cache/LanguageAwareStaticCache.php

core/Cache/PersistentCache.php

core/Cache/PluginAwareStaticCache.php

core/Cache/StaticCache.php

core/CacheFile.php

core/CacheId.php

core/Columns/Updater.php

core/Container/StaticContainer.php

core/DeviceDetectorCache.php

core/DeviceDetectorFactory.php

core/Filesystem.php

core/Metrics.php

core/Plugin.php