Removed wall jumps in doActions of PlayerActionEngine
Fixed issue with enemy removal on death.
Added an effects list to Status, with associated methods.
Added an update method to status to update effects, which is called in ActionEngine.
Made an effect subclass of status, which has a name and a lifetime.
Started incorporating these effects into the Behavior class, which has access to a status.
Merged with Mick's stuff.

Merge branch 'master' of https://github.com/mick-warehime/terri