Added FreezeTrap to PowerSpawn and updated ArenaManager prefab.

Created a new scene for a second stage to the forest.
Merge branch 'master' into Jason
Added Second forest arena.

Second arena has a moving platform
Updated freeze trap to display the frozen effect on the network.
Bug: frozen effect doesn't destroy itself and remains on the screen for players that weren't frozen.
Merge branch 'master' of https://github.com/RobbSteel/Lords-of-Distortion