The dynamic addition of buttons based on the fragments being displayed was added.

  Effected Files:
    FragmentHierarchicalNavigation\FragmentA.cs
    FragmentHierarchicalNavigation\FragmentB.cs
    FragmentHierarchicalNavigation\FragmentNavEx.csproj
    FragmentHierarchicalNavigation\Main.cs
    FragmentHierarchicalNavigation\Resources\Layout\Fragment.axml
    FragmentHierarchicalNavigation\Resources\Resource.Designer.cs
    FragmentHierarchicalNavigation\Resources\Values\Strings.xml
    FragmentHierarchicalNavigation\Resources\Drawable-hdpi\ic_action_inc_seed.png
    FragmentHierarchicalNavigation\Resources\Drawable-mdpi\ic_action_inc_seed.png
    FragmentHierarchicalNavigation\Resources\Drawable-xhdpi\ic_action_inc_seed.png
    FragmentHierarchicalNavigation\Resources\Drawable\ic_action_inc_seed.png