Fix QR codes

demos/hello-aframe/poster.html

@@ -19,7 +19,7 @@
         </nav>
         <section id="qr-code-area">
             <h4>QR code</h4>
-            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="../hello-babylon/qr-code.gif" alt="QR code"></a>
+            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="qr-code.gif" alt="QR code"></a>
             <small>Scan to begin!</small>
         </section>
     </body>

demos/hello-babylon/poster.html

@@ -19,7 +19,7 @@
         </nav>
         <section id="qr-code-area">
             <h4>QR code</h4>
-            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="../hello-babylon/qr-code.gif" alt="QR code"></a>
+            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="qr-code.gif" alt="QR code"></a>
             <small>Scan to begin!</small>
         </section>
     </body>

demos/hello-three/poster.html

@@ -19,7 +19,7 @@
         </nav>
         <section id="qr-code-area">
             <h4>QR code</h4>
-            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="../hello-babylon/qr-code.gif" alt="QR code"></a>
+            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="qr-code.gif" alt="QR code"></a>
             <small>Scan to begin!</small>
         </section>
     </body>

demos/hello-webgl/poster.html

@@ -19,7 +19,7 @@
         </nav>
         <section id="qr-code-area">
             <h4>QR code</h4>
-            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="../hello-babylon/qr-code.gif" alt="QR code"></a>
+            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="qr-code.gif" alt="QR code"></a>
             <small>Scan to begin!</small>
         </section>
     </body>

demos/hello-world/poster.html

@@ -19,7 +19,7 @@
         </nav>
         <section id="qr-code-area">
             <h4>QR code</h4>
-            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="../hello-babylon/qr-code.gif" alt="QR code"></a>
+            <a id="video-preview" href="video.html" target="_blank"><img id="qr-code" src="qr-code.gif" alt="QR code"></a>
             <small>Scan to begin!</small>
         </section>
     </body>

demos/pointer-demo/poster.html

@@ -19,7 +19,7 @@
         </nav>
         <section id="qr-code-area">
             <h4>QR code</h4>
-            <a id="video-preview" href="index.html" target="_blank"><img id="qr-code" src="../hello-babylon/qr-code.gif" alt="QR code"></a>
+            <a id="video-preview" href="index.html" target="_blank"><img id="qr-code" src="qr-code.gif" alt="QR code"></a>
             <small>Scan to begin!</small>
         </section>
     </body>