Fixed #400: Indentation engine misbehaves when editing MSBuildBasedProject.cs.

Fixed CSharpBinding tests.

src/AddIns/BackendBindings/CSharpBinding/Project/Src/FormattingStrategy/CSharpFormattingOptionsContainer.cs

@@ -280,7 +280,7 @@ namespace CSharpBinding.FormattingStrategy
 		/// <returns>Created and filled <see cref="ICSharpCode.NRefactory.CSharp.CSharpFormattingOptions"/> instance.</returns>
 		private CSharpFormattingOptions CreateCachedOptions()
 		{
-			var outputOptions = FormattingOptionsFactory.CreateEmpty();
+			var outputOptions = FormattingOptionsFactory.CreateSharpDevelop();
 			
 			// Look at all container options and try to set identically named properties of CSharpFormattingOptions
 			foreach (PropertyInfo propertyInfo in typeof(CSharpFormattingOptions).GetProperties()) {

src/AddIns/BackendBindings/CSharpBinding/Project/Src/FormattingStrategy/CSharpFormattingOptionsPersistence.cs

@@ -39,10 +39,20 @@ namespace CSharpBinding.FormattingStrategy
 	/// </summary>
 	internal class CSharpFormattingOptionsPersistence
 	{
+		static bool initialized;
 		static Dictionary<string, CSharpFormattingOptionsPersistence> projectOptions;
 		
+		static CSharpFormattingOptionsPersistence()
+		{
+			Initialize();
+		}
+		
 		public static void Initialize()
 		{
+			if (initialized)
+				return;
+			
+			initialized = true;
 			projectOptions = new Dictionary<string, CSharpFormattingOptionsPersistence>();
 			
 			// Load global settings
@@ -54,8 +64,11 @@ namespace CSharpBinding.FormattingStrategy
 			GlobalOptions.Load();
 			
 			// Handlers for solution loading/unloading
-			SD.ProjectService.SolutionOpened += SolutionOpened;
+			var projectService = SD.GetService<IProjectService>();
-			SD.ProjectService.SolutionClosed += SolutionClosed;
+			if (projectService != null) {
+				SD.ProjectService.SolutionOpened += SolutionOpened;
+				SD.ProjectService.SolutionClosed += SolutionClosed;
+			}
 		}
 		
 		public static CSharpFormattingOptionsPersistence GlobalOptions