Enable SA1208 and fix noncompliance (except in Cores)

"System using directives should be placed before other using directives"

Common.ruleset

@@ -393,7 +393,7 @@
 		<Rule Id="SA1204" Action="Hidden" />
 
 		<!-- System using directives should be placed before other using directives -->
-		<Rule Id="SA1208" Action="Hidden" />
+		<Rule Id="SA1208" Action="Error" />
 
 		<!-- Using directives should be ordered alphabetically by namespace -->
 		<Rule Id="SA1210" Action="Hidden" />

src/BizHawk.Client.Common/movie/import/IMovieImport.cs

@@ -1,9 +1,10 @@
-using BizHawk.Emulation.Common;
+using System;
-using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 
+using BizHawk.Emulation.Common;
+
 namespace BizHawk.Client.Common
 {
 	public interface IMovieImport

src/BizHawk.Client.Common/movie/import/bkm/BkmMovie.cs

@@ -1,8 +1,9 @@
-using BizHawk.Emulation.Common;
+using System;
-using System;
 using System.Collections.Generic;
 using System.IO;
 
+using BizHawk.Emulation.Common;
+
 namespace BizHawk.Client.Common
 {
 	internal class BkmMovie

src/BizHawk.Client.EmuHawk/config/Messages/MessageEdit.cs

@@ -1,8 +1,9 @@
-using BizHawk.Client.Common;
+using System;
-using System;
 using System.Drawing;
 using System.Windows.Forms;
 
+using BizHawk.Client.Common;
+
 namespace BizHawk.Client.EmuHawk
 {
 	public partial class MessageEdit : UserControl

src/BizHawk.Client.EmuHawk/config/Messages/MessageRow.cs

@@ -1,7 +1,8 @@
-using BizHawk.Client.Common;
+using System;
-using System;
 using System.Windows.Forms;
 
+using BizHawk.Client.Common;
+
 namespace BizHawk.Client.EmuHawk
 {
 	public partial class MessageRow : UserControl

src/BizHawk.Client.EmuHawk/tools/Lua/Libraries/FormsLuaLibrary.cs

@@ -2,12 +2,12 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Drawing;
+using System.IO;
 using System.Linq;
 using System.Windows.Forms;
 
 using BizHawk.Client.Common;
 using NLua;
-using System.IO;
 
 namespace BizHawk.Client.EmuHawk
 {

src/BizHawk.Client.EmuHawk/tools/Lua/LuaPictureBox.cs

@@ -1,9 +1,9 @@
 using System;
+using System.Collections.Generic;
 using System.Drawing;
 using System.Windows.Forms;
 
 using NLua;
-using System.Collections.Generic;
 
 namespace BizHawk.Client.EmuHawk
 {

src/BizHawk.Client.EmuHawk/tools/MultiDiskBundler/MultiDiskFileSelector.cs

@@ -1,9 +1,9 @@
 using System;
+using System.IO;
 using System.Windows.Forms;
 
 using BizHawk.Common;
 using BizHawk.Client.Common;
-using System.IO;
 
 namespace BizHawk.Client.EmuHawk
 {

src/BizHawk.Client.EmuHawk/tools/PCE/PCETileViewer.cs

@@ -1,12 +1,11 @@
 using System;
 using System.Drawing;
-using System.Windows.Forms;
-
-using BizHawk.Emulation.Cores.PCEngine;
 using System.Drawing.Imaging;
+using System.Windows.Forms;
 
 using BizHawk.Client.Common;
 using BizHawk.Emulation.Common;
+using BizHawk.Emulation.Cores.PCEngine;
 
 namespace BizHawk.Client.EmuHawk
 {

src/BizHawk.Client.EmuHawk/tools/SMS/VDPViewer.cs

@@ -1,11 +1,11 @@
 using System;
 using System.Drawing;
 using System.Windows.Forms;
-using BizHawk.Emulation.Cores.Sega.MasterSystem;
 using System.Drawing.Imaging;
 
 using BizHawk.Client.Common;
 using BizHawk.Emulation.Common;
+using BizHawk.Emulation.Cores.Sega.MasterSystem;
 
 namespace BizHawk.Client.EmuHawk
 {

src/BizHawk.Client.EmuHawk/tools/VirtualPads/VirtualPad.cs

@@ -1,10 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Windows.Forms;
 
 using BizHawk.Emulation.Common;
-using System.Drawing;
 using BizHawk.Client.Common;
 
 namespace BizHawk.Client.EmuHawk

src/BizHawk.Emulation.Common/Base Implementations/MemoryDomainImpls.cs

@@ -1,7 +1,8 @@
-using BizHawk.Common;
+using System;
-using System;
 using System.Runtime.InteropServices;
 
+using BizHawk.Common;
+
 namespace BizHawk.Emulation.Common
 {
 	public class MemoryDomainDelegate : MemoryDomain

src/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj

@@ -5,7 +5,7 @@
 	<Import Project="../MainSlnCommon.props" />
 	<PropertyGroup>
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-		<NoWarn>$(NoWarn);SA1205;SA1400</NoWarn>
+		<NoWarn>$(NoWarn);SA1205;SA1208;SA1400</NoWarn>
 	</PropertyGroup>
 	<ItemGroup>
 		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />