Rebased. (+1 squashed commits)

Squashed commits:

[43010a0] Fixes. (+1 squashed commits)

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[94ee90e] Fixes. (+1 squashed commits)

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[ef827c7] Style cop updates. Updates to LevelUp, Cloak, and UnitUpgrade to allow multiple units within range, plus maximum extra unit limit. (+1 squashed commits)

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[2103b01] Dupe crate action updates and fixes. (+2 squashed commit)

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[0f4df4a] Added DuplicateUnitCrateAction.

[2787fa1] Clarity update. (+1 squashed commits)

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[93ddc3b] Crate updates.
+Multiple units per crate allowed.
+Allow time delay on crate actions.

OpenRA.Mods.RA/Crates/SupportPowerCrateAction.cs

@@ -13,10 +13,12 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA.Crates
 {
+	[Desc("Gives a supportpower to the collector.")]
 	class SupportPowerCrateActionInfo : CrateActionInfo
 	{
-		[ActorReference]
-		public readonly string Proxy = null;
+		[Desc("Which proxy actor, which grants the support power, to spawn.")]
+		[ActorReference] public readonly string Proxy = null;
+
 		public override object Create(ActorInitializer init) { return new SupportPowerCrateAction(init.self, this); }
 	}