update developer commentary

for weapon traits, crates and palettes
clarify that you don't need to update the wiki page manually

OpenRA.Mods.RA/Effects/Bullet.cs

@@ -12,6 +12,7 @@ using System.Collections.Generic;
 using System.Drawing;
 using System.Linq;
 using OpenRA.Effects;
+using OpenRA.FileFormats;
 using OpenRA.GameRules;
 using OpenRA.Graphics;
 using OpenRA.Traits;
@@ -22,7 +23,8 @@ namespace OpenRA.Mods.RA.Effects
 	{
 		public readonly int Speed = 1;
 		public readonly string Trail = null;
-		public readonly float Inaccuracy = 0;			// pixels at maximum range
+		[Desc("Pixels at maximum range")]
+		public readonly float Inaccuracy = 0;
 		public readonly string Image = null;
 		public readonly bool High = false;
 		public readonly int RangeLimit = 0;

OpenRA.Mods.RA/Effects/LaserZap.cs

@@ -13,10 +13,12 @@ using System.Drawing;
 using OpenRA.Effects;
 using OpenRA.GameRules;
 using OpenRA.Graphics;
+using OpenRA.FileFormats;
 using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA.Effects
 {
+	[Desc("Not a sprite, but an engine effect.")]
 	class LaserZapInfo : IProjectileInfo
 	{
 		public readonly int BeamRadius = 1;

OpenRA.Mods.RA/Effects/Missile.cs

@@ -32,6 +32,7 @@ namespace OpenRA.Mods.RA.Effects
 		public readonly string Image = null;
 		[Desc("Rate of Turning")]
 		public readonly int ROT = 5;
+		[Desc("Explode when following the target longer than this.")]
 		public readonly int RangeLimit = 0;
 		public readonly bool TurboBoost = false;
 		public readonly int TrailInterval = 2;