Small Fixes

Traders now follow clients in multiplayer
Added on screen helper keys for Miner bots
Lowered the minimum quality level required to run deferred rendering
Fixed a bug where you could call traders more than once
Fixed a bug where tooltips from your inventory would stick around after you closed the window
Fixed a bug where defeating an enemy in combat would snap the camera to look somewhere else
Certain items no longer duplicate if placed on the client and it was the last item in the stack
Fixed a bug where traders might not stop following you