Move svargrond arena rewards to RME

- Removed arena reward script, and moved the rewards to RME. Also
corrected the container rewards so it matches RL Tibia's.
- Error from bigfootBurdenQuestXray.lua fixed.
- Added more chest ID's to Player:onMoveItem to prevent pushing of
chests.
Merge pull request #136 from PrinterLUA/master

Move svargrond arena rewards to RME