Merge pull request #78 from ayaigame/inventory-saving

Inventory saving
status effects primatives
added some process handlers
added loot component (takes an id of looter)
added inventory copy function to Inventory.scala
moved attack code from collision system to attackSystem
created attack system and added to world factory
did more work on statuseffects (still not working)
Merge branch 'develop' of https://github.com/ayaigame/ayai-backend into item-use
added abandon and accept quest message implementaitons
added loot message in messageprocessor
fixed errors
attacks now only attack once
Merge pull request #79 from ayaigame/item-use

Item use
Merge in develop.
Adds item saving and deletion to InventoryTable.