title: The tag does not exist in XML namespace
body: <p>I'm seeing the following error on 'FluidMoveBehavior'.</p>
  
  <pre><code>The tag 'FluidMoveBehavior' does not exist in XML namespace
  'http://schemas.microsoft.com/expression/2010/interactions'.
  Line 22 Position 14.
  </code></pre>
  
  <p>Here's the XAML file:   </p>
  
  <pre><code>&lt;Window x:Class="GoogleMapProject.KinectOverlay"
          xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
          xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
          xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
          xmlns:ei="http://schemas.microsoft.com/expression/2010/interactions"
          xmlns:GoogleMapProject_Behaviors="clr-namespaces:GoogleMapProject.Behaviors"
          WindowState="Maximized" WindowStyle="None" Background="Transparent"
                       AllowsTransparency="True"
          xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
          xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
          mc:Ignorable="d"
          Height="300"
          Width="300"
          Title="KinectOverlay"
          DataContext="{Binding PoseViewModel,
                        Source={StaticResource MainViewModel}}"&gt;
  
      &lt;Grid&gt;
          &lt;i:Interaction.Behaviors&gt;
              &lt;ei:FluidMoveBehavior AppliesTo="Children" Duration="0:0:0.5"&gt;
                  &lt;ei:FluidMoveBehavior.EaseX&gt;
                      &lt;SineEase EasingMode="EaseInOut"/&gt;
                  &lt;/ei:FluidMoveBehavior.EaseX&gt;
                  &lt;ei:FluidMoveBehavior.EaseY&gt;
                      &lt;SineEase EasingMode="EaseInOut"/&gt;
                  &lt;/ei:FluidMoveBehavior.EaseY&gt;
              &lt;/ei:FluidMoveBehavior&gt;
          &lt;/i:Interaction.Behaviors&gt;
          &lt;Canvas Background="Transparent"
                  DataContext="{Binding PoseViewModel,
                                Source={StaticResource MainViewModel}}"&gt;
  
              &lt;!-- Left hand --&gt;
              &lt;Image Source="{Binding LeftHandImage}" x:Name="leftHand" Stretch="Fill"
                     Canvas.Left="{Binding LeftHandPosition.X, Mode=TwoWay}"  
                     Canvas.Top="{Binding LeftHandPosition.Y, Mode=TwoWay}"
                     Visibility="{Binding HandVisibility}" Opacity="0.75"
                     Height="118" Width="80" RenderTransformOrigin="0.5,0.5"&gt;
                  &lt;Image.RenderTransform&gt;
                      &lt;TransformGroup&gt;
                          &lt;ScaleTransform ScaleX="{Binding LeftHandScale}"
                                          ScaleY="{Binding LeftHandScale}"/&gt;
                          &lt;SkewTransform/&gt;
                          &lt;RotateTransform/&gt;
                          &lt;TranslateTransform X="-40" Y="-59"/&gt;
                      &lt;/TransformGroup&gt;
                  &lt;/Image.RenderTransform&gt;
              &lt;/Image&gt;
  
              &lt;!-- Right hand --&gt;
              &lt;Image x:Name="righthand" Source="{Binding RightHandImage}"
                     Stretch="Fill"
                     Canvas.Left="{Binding RightHandPosition.X, Mode=TwoWay}"  
                     Canvas.Top="{Binding RightHandPosition.Y, Mode=TwoWay}"
                     Visibility="{Binding HandVisibility}" Opacity="0.75"
                     Height="118" Width="80" RenderTransformOrigin="0.5,0.5"&gt;
                  &lt;Image.RenderTransform&gt;
                      &lt;TransformGroup&gt;
                          &lt;ScaleTransform ScaleX="{Binding RightHandScale}"
                                          ScaleY="{Binding RightHandScale}"/&gt;
                          &lt;SkewTransform/&gt;
                          &lt;RotateTransform/&gt;
                          &lt;TranslateTransform X="-40" Y="-59"/&gt;
                      &lt;/TransformGroup&gt;
                  &lt;/Image.RenderTransform&gt;
              &lt;/Image&gt;
  
              &lt;!-- Video --&gt;
              &lt;Image Canvas.Left="0" Canvas.Top="100" Width ="360"
                     Visibility="{Binding ShowVideo,
                            Converter={StaticResource booleanToVisibilityConverter}}"&gt;
                  &lt;i:Interaction.Behaviors&gt;
                      &lt;GoogleMapProject_Behaviors:DisplayVideoBehavior/&gt;
                  &lt;/i:Interaction.Behaviors&gt;
              &lt;/Image&gt;
  
              &lt;!-- Shows last speech command --&gt;
              &lt;TextBlock Canvas.Left="10" Canvas.Top="500"
                         Text="{Binding LastCommand}" FontSize="36"
                         Foreground="#FF001900"&gt;
              &lt;/TextBlock&gt;
          &lt;/Canvas&gt;
      &lt;/Grid&gt;
  &lt;/Window&gt;
  </code></pre>