Recommit of barrier, hookgate and spike icon
Merge branch 'master' of https://github.com/RobbSteel/Lords-of-Distortion

Conflicts:
	Lords-of-Distortion/Assets/Prefabs/GUI/SpikeDead.prefab
	Lords-of-Distortion/Assets/Sprites/DeflectiveShieldIcon.png.meta
	Lords-of-Distortion/Assets/Sprites/HookGateIcon.png
	Lords-of-Distortion/Assets/Sprites/HookGateIcon.png.meta
	Lords-of-Distortion/Assets/Sprites/SpikesIcon.png.meta
	Lords-of-Distortion/Assets/Sprites/UI sprites/BattleAtlas.png