Disperse wasn't getting rid of swamps properly
Reverted the change to fireworks
Deatheaters were considered transfigured and couldn't wear invisiblity cloak
Movement Queue that will ease movement on people who lag

Previously to prevent movement from occuring more than once over a tick
(to prevent cheating) movement would halt, this would instead cause
movement to queue and occur as it should up to 10 steps.
Fixes possible exploit of gaining gold via spam killing an alt
Pemoveo and Wingardium Leviosa disabled teleporatation
Wingardium leviosa didn't always let go of objects that were deleted
Added option to add icon overlay to people who carry drop on death

Fixes #155
Fixes to old duel mode

Flippendo won't push projectiles in old duel mode / arena
CTRL direction changing won't work in old duel mode / arena
Shooting projectiles in old duel mode / arena is less delayed
cleaned up Immobulus and made it effect GMs
Fixes a bug with Trade
Old system is now area variable dependent, any area can now be made old system
tiny fixes to AI isPathBlocked
Merge remote-tracking branch 'upstream/master'
Herbificus roses now have a higher layer
Fix to Avis
Merge pull request #159 from Rotem12/master

Some changes