Add placed powers to triggers.
Merge branch 'ui-revamp' of https://github.com/RobbSteel/Lords-of-Distortion into ui-revamp
-Incorporated power slot prefab that shows an icon for all triggers you have. It can detect key presses associated with that trigger.

-Changed location of arenamanager power prefabs to external script
Merge branch 'ui-revamp' of https://github.com/RobbSteel/Lords-of-Distortion into ui-revamp