Added completed achievement as new requirement type
Removed obsolete access_id from areatrigger_teleport table
Implemented automatic downscaling of raid difficulty when requested mode does not exist
Changed dungeon_difficulty in characters table to instance_mode_mask saving both dungeon and raid difficulty in form (dungeon diff | raid diff << 4)
--HG--
branch : trunk
* Must be enabled in conf AND set in worldstates for what you want to clean
* CLEANING_FLAG_ACHIEVEMENT_PROGRESS = 0x1,
* CLEANING_FLAG_SKILLS = 0x2,
* CLEANING_FLAG_SPELLS = 0x4,
* CLEANING_FLAG_TALENTS = 0x8
* Set to 0xF to clean all 4
* Patch by hunuza
--HG--
branch : trunk