Fix bug in find references that caused us to miss many results.

src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/CSharpSymbolSearch.cs

@@ -100,8 +100,17 @@ namespace CSharpBinding
 			ReadOnlyDocument document = null;
 			IHighlighter highlighter = null;
 			List<Reference> results = new List<Reference>();
+			
+			// Grab the unresolved file matching the compilation version
+			// (this may differ from the version created by re-parsing the project)
+			CSharpUnresolvedFile unresolvedFile = null;
+			IProjectContent pc = compilation.MainAssembly.UnresolvedAssembly as IProjectContent;
+			if (pc != null) {
+				unresolvedFile = pc.GetFile(fileName) as CSharpUnresolvedFile;
+			}
+			
 			fr.FindReferencesInFile(
-				searchScope, parseInfo.UnresolvedFile, parseInfo.SyntaxTree, compilation,
+				searchScope, unresolvedFile, parseInfo.SyntaxTree, compilation,
 				delegate (AstNode node, ResolveResult result) {
 					if (document == null) {
 						document = new ReadOnlyDocument(textSource, fileName);

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/ContextActions/ContextActionsBulbPopup.cs

@@ -4,6 +4,8 @@
 using System;
 using System.Windows;
 using System.Windows.Input;
+using System.Windows.Media;
+using ICSharpCode.SharpDevelop;
 using ICSharpCode.SharpDevelop.Editor;
 using ICSharpCode.SharpDevelop.Widgets;
 
@@ -16,6 +18,9 @@ namespace ICSharpCode.AvalonEdit.AddIn.ContextActions
 	{
 		public ContextActionsBulbPopup(UIElement parent) : base(parent)
 		{
+			this.UseLayoutRounding = true;
+			TextOptions.SetTextFormattingMode(this, TextFormattingMode.Display);
+			
 			this.StaysOpen = true;
 			this.AllowsTransparency = true;
 			this.ChildControl = new ContextActionsBulbControl();

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/ContextActions/ContextActionsPopup.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Windows.Controls.Primitives;
 using System.Windows.Input;
+using System.Windows.Media;
 
 using ICSharpCode.NRefactory.TypeSystem;
 using ICSharpCode.SharpDevelop;
@@ -19,6 +20,9 @@ namespace ICSharpCode.AvalonEdit.AddIn.ContextActions
 	{
 		public ContextActionsPopup()
 		{
+			this.UseLayoutRounding = true;
+			TextOptions.SetTextFormattingMode(this, TextFormattingMode.Display);
+			
 			// Close on lost focus
 			this.StaysOpen = false;
 			this.AllowsTransparency = true;

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/ContextActions/GoToEntityAction.cs

@@ -17,7 +17,7 @@ namespace ICSharpCode.AvalonEdit.AddIn.ContextActions
 		public static ContextActionViewModel MakeViewModel(IEntity entity, ObservableCollection<ContextActionViewModel> childActions)
 		{
 			var ambience = AmbienceService.GetCurrentAmbience();
-			ambience.ConversionFlags = ConversionFlags.ShowTypeParameterList;
+			ambience.ConversionFlags = ConversionFlags.ShowDeclaringType | ConversionFlags.ShowTypeParameterList;
 			return new ContextActionViewModel {
 				Action = new GoToEntityAction(entity, ambience.ConvertEntity(entity)),
 				Image = CompletionImage.GetImage(entity),

src/Libraries/NRefactory/ICSharpCode.NRefactory.CSharp/Resolver/FindReferences.cs

@@ -381,8 +381,6 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		{
 			if (searchScopes == null)
 				throw new ArgumentNullException("searchScopes");
-			if (unresolvedFile == null)
-				throw new ArgumentNullException("unresolvedFile");
 			if (syntaxTree == null)
 				throw new ArgumentNullException("syntaxTree");
 			if (compilation == null)