Add git blame

src/AddIns/VersionControl/GitAddIn/GitAddIn.addin

@@ -40,6 +40,10 @@
 			<MenuItem id = "GitLog"
 			          label = "Git ${res:AddIns.Subversion.ShowLog}..."
 			          class = "ICSharpCode.GitAddIn.GitLogCommand"/>
+			
+			<MenuItem id = "GitBlame"
+			          label = "Git ${res:AddIns.Subversion.Blame}..."
+			          class = "ICSharpCode.GitAddIn.GitBlameCommand"/>
 		</Condition>
 	</Path>
 	

src/AddIns/VersionControl/GitAddIn/Src/Commands.cs

@@ -100,4 +100,12 @@ namespace ICSharpCode.GitAddIn
 			GitGuiWrapper.Log(filename, callback);
 		}
 	}
+	
+	public class GitBlameCommand : GitCommand
+	{
+		protected override void Run(string filename, Action callback)
+		{
+			GitGuiWrapper.Blame(filename, callback);
+		}
+	}
 }

src/AddIns/VersionControl/GitAddIn/Src/GitGuiWrapper.cs

@@ -100,5 +100,10 @@ namespace ICSharpCode.GitAddIn
 		{
 			Proc("log", fileName, callback);
 		}
+		
+		public static void Blame(string fileName, Action callback)
+		{
+			Proc("blame", fileName, callback);
+		}
 	}
 }