Release Notes for Release v129

Change-Id: Idaf6955a5ded5e572b1f5831d648a9b02f34bd15

appinventor/docs/ReleaseNotes.html

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                 <h2>Release Notes</h2>
 
+                <h3>Version 129, September 11, 2012</h3>
+                <ul>
+                  <li>Resize-able and Full Screen Video support. You
+                    can now resize an existing Video Player component
+                    from the blocks editor. In Android 2.0+ you can set
+                    a Video Player to use the entire phone's screen. The
+                    &lt;back&gt; key will restore it to its original
+                    size.
+                  </li>
+                  <li>
+                    Horizontal and Vertical Arrangements can now align
+                    their contents. Arrangements and Screens can now
+                    align their contents along Left, Right, Center,
+                    Top and Bottom edges.<br />
+                    These settings have no effect if the arrangement
+                    size is set to automatic, and vertical setting has
+                    no effect if the screen is scrollable.
+                  </li>
+                  <li>
+                    Canvas and Sprite Improvements. The new events
+                    "Flung", "TouchUP" and "TouchDown" have been added
+                    to Sprites and Canvases. When a user touches a
+                    Sprite and then quickly swipes their finger in
+                    some direction, a "Flung" event is issued for the
+                    Sprite which gives the direction and speed of the
+                    swipe. This can be used to determine the direction
+                    and relative speed to move a Sprite. Canvases also
+                    receive a Flung event so a user can perform the
+                    swiping (Fling) motion anywhere on a Canvas and
+                    the MIT App Inventor programmer can decide how to
+                    handle it.<br />
+                    When a user places their finger on a Sprite, a
+                    TouchDown event is now triggered. When they lift
+                    their finger a TouchUP event is triggered. These
+                    events are in addition to the existing "Touched"
+                    event.
+                  </li>
+                  <li>
+                    Added new screen orientation settings: (1) User
+                    (let's the app's user select portrait or
+                    landscape; and (2) Sensor (auto-rotates as the
+                    phone rotates)
+                  </li>
+                  <li>
+                    We also made minor User Interface improvements and bugfixes.
+                  </li>
+                </ul>
+                </h3>
+
                 <h3>Version 128, August 6, 2012</h3>
                 <ul>
                   <li>Minor bugfixes associated with building from sources.</li>