- added release number to all existing @deprecated tag in php classes, methods and properties (app/code/Magento, lib/internal/Magento, setup/src/Magento/Setup)
- added tag @since to all existing php classes, methods and properties (app/code/Magento, lib/internal/Magento, setup/src/Magento/Setup)
- apply manual fixes to make PHPCS and PHPMD happy
- some phtml templates marked as ignored for now as PHPCS 1.5.3 version produces false-positives on them (PHPCS 2.8.0 treats them fine)