Add cancel button for edit log.

Disable edit button for past month
Format gas correctly

Web/Controllers/CreateLogController.cs

@@ -62,7 +62,16 @@ namespace MileageTraker.Web.Controllers
 
 				DataService.UpdateLog(log);
 
-				TempData["StatusMessage"] = "Log updated";
+				TempData["StatusMessage-Type"] = "alert-success";
+				TempData["StatusMessage"] =
+					@"You've successfully updated an entry
+					traveling to <strong>" + viewModel.CityName + @"</strong> 
+					for <strong>" + log.Purpose.Purpose + @"</strong> 
+					on <strong>" + viewModel.Date.ToShortDateString() + @"</strong>
+					in Vehicle Id <strong>" + viewModel.VehicleId + @"</strong>
+					ending in <strong>" + viewModel.EndOdometer + @"</strong>
+					miles on the odometer.";
+				
 				return RedirectToAction("Index");
 			}