+Artifacts are now activated after a certain amount of time (based on
the official Travian Rules and the server speed) and not immediately
after the conquer
+Artifacts are now activated based on official Travian Rules, you can
only have 1 unique/account active artifacts
Changes in 27_show.tpl:
+Added the text "Can't be activated" to not-activable artifacts
Changes in Automation.php:
+Added a new method which activate activable artifacts
Changes in Database.php:
+Added some methods to support the new artifacts activation system