WIP Windows 10

Dependencies finally installed
Removal of useless code
Big cleanup in XAML styles (override colors the correct way)

Win10App/Views/UserControls/SymbolPickerUserControl.xaml

@@ -0,0 +1,24 @@
+<UserControl x:Name="UserControl"
+    x:Class="ModernKeePass.Views.UserControls.SymbolPickerUserControl"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+    <ComboBox x:Name="ComboBox"
+        Height="35"
+        Width="Auto"
+        ItemsSource="{Binding Symbols, ElementName=UserControl}" 
+        SelectedItem="{Binding SelectedSymbol, ElementName=UserControl, Mode=TwoWay}" 
+        Loaded="ComboBox_OnLoaded" 
+        ItemContainerStyle="{StaticResource MainColorComboBoxItem}" 
+        Style="{StaticResource MainColorComboBox}">
+        <ComboBox.ItemTemplate>
+            <DataTemplate>
+                <StackPanel Orientation="Horizontal" Margin="0,0,10,0">
+                    <SymbolIcon Symbol="{Binding}" />
+                </StackPanel>
+            </DataTemplate>
+        </ComboBox.ItemTemplate>
+    </ComboBox>
+</UserControl>