[client+server] Fix typoes in comments

Nibriboard/Client/Messages/ErrorMessage.cs

@@ -3,7 +3,7 @@ namespace Nibriboard.Client.Messages
 {
 	/// <summary>
 	/// Represents a complaint (usually by the server) about something that the other party
-	/// has done that probably shouldn't have.
+	/// has done that they probably shouldn't have.
 	/// </summary>
 	public class ErrorMessage : Message
 	{

Nibriboard/ClientFiles/CursorSyncer.js

@@ -6,7 +6,7 @@ class CursorSyncer
 	{
 		// The ripple link we should send the cursor updates down
 		this.rippleLink = inRippleLink;
-		// The target frequency in fps at we should send sursor updates.
+		// The target frequency in fps at we should send cursor updates.
 		this.cursorUpdateFrequency = syncFrequency;
 		
 		// Register ourselves to start sending cursor updates once the ripple

Nibriboard/Utilities/Rectangle.cs

@@ -151,7 +151,7 @@ namespace SBRL.Utilities
 			   Left > otherRectangle.Right ||
 			   Right < otherRectangle.Left)
 				return false;
-
+			
 			return true;
 		}