UI - Avoid opening the main window multiple times from tray

Profiling - Thread safety and use high precision counters
Profiling - Profile timed updates
Timed updates - Added argument to give timed updates a name
Plugins - Affix plugin folders with a part of the plugin GUID
Debugger - Added 95th percentile column to profiling
Debugger - Fix scrolling in performance profile tab when hovering over datagrids

src/Artemis.UI/Screens/Settings/Debug/Tabs/Performance/PerformanceDebugMeasurementViewModel.cs

@@ -9,6 +9,7 @@ namespace Artemis.UI.Screens.Settings.Debug.Tabs.Performance
         private string _last;
         private string _max;
         private string _min;
+        private string _percentile;
 
         public PerformanceDebugMeasurementViewModel(ProfilingMeasurement measurement)
         {
@@ -41,12 +42,19 @@ namespace Artemis.UI.Screens.Settings.Debug.Tabs.Performance
             set => SetAndNotify(ref _max, value);
         }
 
+        public string Percentile
+        {
+            get => _percentile;
+            set => SetAndNotify(ref _percentile, value);
+        }
+
         public void Update()
         {
             Last = Measurement.GetLast().TotalMilliseconds + " ms";
             Average = Measurement.GetAverage().TotalMilliseconds + " ms";
             Min = Measurement.GetMin().TotalMilliseconds + " ms";
             Max = Measurement.GetMax().TotalMilliseconds + " ms";
+            Percentile = Measurement.GetPercentile(0.95).TotalMilliseconds + " ms";
         }
     }
 }

src/Artemis.UI/Screens/Settings/Debug/Tabs/Performance/PerformanceDebugProfilerView.xaml

@@ -27,6 +27,7 @@
                 <materialDesign:DataGridTextColumn Binding="{Binding Min}" Header="Min" />
                 <materialDesign:DataGridTextColumn Binding="{Binding Max}" Header="Max" />
                 <materialDesign:DataGridTextColumn Binding="{Binding Average}" Header="Average" />
+                <materialDesign:DataGridTextColumn Binding="{Binding Percentile}" Header="95th percentile" />
             </DataGrid.Columns>
         </DataGrid>
     </StackPanel>

src/Artemis.UI/Screens/Settings/Debug/Tabs/Performance/PerformanceDebugView.xaml

@@ -19,7 +19,7 @@
             If you are having performance issues, below you can find out which plugin might be the culprit.
         </TextBlock>
 
-        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Hidden">
+        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Hidden" PreviewMouseWheel="ScrollViewer_PreviewMouseWheel">
             <ItemsControl ItemsSource="{Binding Items}" Margin="0 0 10 0">
                 <ItemsControl.ItemTemplate>
                     <DataTemplate>

src/Artemis.UI/Screens/Settings/Debug/Tabs/Performance/PerformanceDebugView.xaml.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace Artemis.UI.Screens.Settings.Debug.Tabs.Performance
+{
+    /// <summary>
+    /// Interaction logic for PerformanceDebugView.xaml
+    /// </summary>
+    public partial class PerformanceDebugView : UserControl
+    {
+        public PerformanceDebugView()
+        {
+            InitializeComponent();
+        }
+
+        private void ScrollViewer_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
+        {
+            ScrollViewer scv = (ScrollViewer)sender;
+            scv.ScrollToVerticalOffset(scv.VerticalOffset - e.Delta);
+            e.Handled = true;
+        }
+    }
+}