Added rAthena to Hercules main database upgrader.

This has been added because a lot of people were suggesting this on the forums. Check the news topic for more info: http://hercules.ws/board/topic/2906-introducing-rathena-to-hercules-database-converters/?p=19260
Added rAthena to Hercules logs database upgrader

This has been added because a lot of people were suggesting this on the forums. Check the news topic for more info: http://hercules.ws/board/topic/2906-introducing-rathena-to-hercules-database-converters/?p=19260
Update rAthena-main-upgrade.sql

Now it deletes all entries on the sc_data table since it's dangerous if we port the sc data as is. WARNING, this ends all active SCs on the previous server! Even jailed state!