Welcome: update links to videos from Dev Days 2014

Give preference to videos about using and developing
Qt Creator.

Add new icon for 2014 and updated icon for 2013 with new logo,
and remove icon for 2012, because it is no longer used.

Change-Id: If7f34b03247eb8cbe68b9460efbb55dc42770dd4
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

share/qtcreator/welcomescreen/qtcreator_tutorials.xml

@@ -25,7 +25,7 @@
       <description><![CDATA[Developing Qt Quick applications using QML and C++.]]></description>
       <tags>qt quick,qml,c++</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays12.png" difficulty="" projectPath="" name="Qt Creator 101" isVideo="true" videoUrl="http://www.youtube.com/watch?v=s7PgHmuFaGY" videoLength="55:38">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Introduction to Qt Creator" isVideo="true" videoUrl="https://www.youtube.com/watch?v=TEpJLwzdQGs" videoLength="56:22">
       <description><![CDATA[Getting started with using Qt Creator for cross-platform development.]]></description>
       <tags>qt creator</tags>
     </tutorial>
@@ -57,16 +57,16 @@
       <description><![CDATA[Learning about the experimental Qt on Windows Runtime port.]]></description>
       <tags>qt,winrt</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Developing Embedded Linux Applications with Qt" isVideo="true" videoUrl="http://www.youtube.com/watch?v=lyQVw1RtaH4" videoLength="53:27">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Device Creation with Qt" isVideo="true" videoUrl="https://www.youtube.com/watch?v=RXFnCmlsq3s" videoLength="55:11">
-      <description><![CDATA[Getting started with developing Qt applications for embedded Linux devices.]]></description>
+      <description><![CDATA[Prototyping and creating your own embedded devices that run Qt applications.]]></description>
-      <tags>qt, embedded</tags>
+      <tags>qt, embedded, device creation,prototype</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Introduction to Qt Quick Controls" isVideo="true" videoUrl="http://www.youtube.com/watch?v=JLLIYysXsj8" videoLength="57:34">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Deep Dive into Qt Quick and Qt Quick Controls" isVideo="true" videoUrl="https://www.youtube.com/watch?v=WLoirPcKgg0" videoLength="57:34">
-      <description><![CDATA[Using Qt Quick Controls, a set of UI elements, to create user interfaces using Qt Quick 2.]]></description>
+      <description><![CDATA[Using Qt Quick Controls to create user interfaces and C++ for the application logic.]]></description>
       <tags>qt quick,controls</tags>
     </tutorial>
     <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Adaptable UIs with Qt Quick" isVideo="true" videoUrl="http://www.youtube.com/watch?v=7zlvbHow9Gw" videoLength="46:16">
-      <description><![CDATA[Implementing adaptable Qt QUick UIs using layouts, bindings, file selectors, and loaders.]]></description>
+      <description><![CDATA[Implementing adaptable Qt Quick UIs using layouts, bindings, file selectors, and loaders.]]></description>
       <tags>qt quick,layouts,bindings</tags>
     </tutorial>
     <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Qt Quick and Input Events (Touch, Mouse, Keyboard)" isVideo="true" videoUrl="http://www.youtube.com/watch?v=yTsCkfTAl1s" videoLength="1:07:05">
@@ -75,51 +75,51 @@
     </tutorial>
     <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Building 3D OpenGL Scenes with Qt 5 and QML" isVideo="true" videoUrl="http://www.youtube.com/watch?v=29wCpA0DBZI" videoLength="52:38">
       <description><![CDATA[Using QQuickWindow's OpenGL context to render 3D objects.]]></description>
-      <tags>qt quick,qml,3d</tags>
+      <tags>qt quick,qml,3d,opengl</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Integrating Qt Quick with 3D renderers" isVideo="true" videoUrl="http://www.youtube.com/watch?v=BfIaTccy6HQ" videoLength="1:00:04">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Enabling Direct WebGL in Qt Quick 2" isVideo="true" videoUrl="https://www.youtube.com/watch?v=I379HnymiAw" videoLength="51:12">
-      <description><![CDATA[Integrating Qt Quick with other 3D scene rendering models.]]></description>
+      <description><![CDATA[Using Qt Canvas 3D.]]></description>
-      <tags>qt quick,qt,scenegraph,3d</tags>
+      <tags>qt quick, qt canvas 3d,webgl</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Qt 5.2's QML Engine in Depth" isVideo="true" videoUrl="http://www.youtube.com/watch?v=QdyRZApt5ww" videoLength="52:35">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="QML Engine in Depth" isVideo="true" videoUrl="https://www.youtube.com/watch?v=odx7-A9c5Ak" videoLength="1:00:04">
-      <description><![CDATA[Learning about data types in JavaScript and QML, the old and new Qt architecture, and future optimizations to Qt.]]></description>
+      <description><![CDATA[Changes in the QML Engine in Qt 5.4.]]></description>
-      <tags>qt,qml,data types</tags>
+      <tags>qt,qml engine</tags>
     </tutorial>
     <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="QML Tricks and Treats" isVideo="true" videoUrl="http://www.youtube.com/watch?v=JNDFUHOoPSM" videoLength="56:20">
       <description><![CDATA[Structuring an application that combines QML and C++ code, looking up QML language scope and names, creating custom views, handling user input, and styling applications.]]></description>
     <tags>qt quick,qml,c++,build,compile,input,styling</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Speeding up Your Qt App with New QtNetwork Features" isVideo="true" videoUrl="http://www.youtube.com/watch?v=OM9BgcXr9ys" videoLength="49:10">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="QtWidgets and QtQuick Controls - A Comparison" isVideo="true" videoUrl="https://www.youtube.com/watch?v=-S9ki14ZtIk" videoLength="57:00">
-      <description><![CDATA[Making applications load network data faster.]]></description>
+      <description><![CDATA[Comparison of Qt Widgets and Qt Quick Controls.]]></description>
-      <tags>qt quick,qml,network</tags>
+      <tags>qt quick,widgets</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Introducing QtWebEngine" isVideo="true" videoUrl="http://www.youtube.com/watch?v=Pc5zKGmeYN0" videoLength="1:03:06">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="QtWebEngine - Learning to Walk" isVideo="true" videoUrl="https://www.youtube.com/watch?v=q_UumdWw1iI" videoLength="51:04">
-      <description><![CDATA[Introduces the Qt Web Engine technology preview for desktop and embedded platforms.]]></description>
+      <description><![CDATA[Introduces the Qt Web Engine technology for desktop and embedded platforms.]]></description>
-      <tags>qt,web engine</tags>
+      <tags>qt web engine</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="QmlWeb - Running Qt Quick Applications on the Web" isVideo="true" videoUrl="http://www.youtube.com/watch?v=Ea8Maw4FTw8" videoLength="57:05">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="QmlWeb - Running Qt Quick Applications on the Web" isVideo="true" videoUrl="https://www.youtube.com/watch?v=q_UumdWw1iI" videoLength="57:05">
       <description><![CDATA[Taking QML to the web.]]></description>
       <tags>qml,qt quick,web</tags>
     </tutorial>
-      <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Signals and Slots in Qt 5" isVideo="true" videoUrl="http://www.youtube.com/watch?v=pwNd8gq6PZY" videoLength="55:30">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Using the QML Profiler" isVideo="true" videoUrl="https://www.youtube.com/watch?v=TiJiF0MOOFc" videoLength="55:12">
-      <description><![CDATA[Learning about the signal and slot syntax in Qt 5.]]></description>
+      <description><![CDATA[Monitoring the performance of a Qt Quick application.]]></description>
-    <tags>qt,signals,slots</tags>
+    <tags>qt quick,qt creator,qml profiler</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="KDE Frameworks 5: Qt Add-ons Overview" isVideo="true" videoUrl="http://www.youtube.com/watch?v=P5RP46ZUk6s" videoLength="53:27">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Introducing Qt 3D 2.0 (3D Rendering & Visualisation)" isVideo="true" videoUrl="https://www.youtube.com/watch?v=WbLBgpancME" videoLength="1:01:24">
-      <description><![CDATA[Using Qt add-ons for data compression, plotting with axis, multithreaded tasks, configuration, modeling items, and core tasks.]]></description>
+      <description><![CDATA[Rendering and visualization in Qt 3D.]]></description>
-      <tags>qt,add-ons,compression,plotting,configuration</tags>
+      <tags>qt,3d</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Applied Type Erasure in Qt 5" isVideo="true" videoUrl="http://www.youtube.com/watch?v=MOzQX4C29os" videoLength="45:46">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Rapid UI Prototyping - Better, Faster, Awesome" isVideo="true" videoUrl="https://www.youtube.com/watch?v=j3r_2aaQQIc" videoLength="45:46">
-    <description><![CDATA[Learning about type erasure based on QVariant and the capabilities introduced in Qt 5.2.]]></description>
+    <description><![CDATA[Prototyping with QML and QML Demo.]]></description>
-    <tags>qt,data types</tags>
+    <tags>qt,qml,prototype</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Analysing & Solving Qt UI Performance Problems on Embedded Hardware" isVideo="true" videoUrl="http://www.youtube.com/watch?v=TI_LJkQtZtA" videoLength="50:57">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="Analyzing Performance of Qt Quick Applications" isVideo="true" videoUrl="https://www.youtube.com/watch?v=FUMNqX5Q7tw" videoLength="52:01">
-    <description><![CDATA[Using trace viewing and analysis and profiling tools to solve typical Qt UI performance problems on embedded devices.]]></description>
+    <description><![CDATA[Measuring startup time and rendering (in frames per second).]]></description>
     <tags>qt quick,qml,qt creator,qml profiler,embedded</tags>
     </tutorial>
-    <tutorial imageUrl="images/icons/ddays13.png" difficulty="" projectPath="" name="Take Your Apps on the Road — an Automotive 101 for Developers" isVideo="true" videoUrl="http://www.youtube.com/watch?v=Hq8XkUtyjsA" videoLength="1:02:36">
+    <tutorial imageUrl="images/icons/ddays14.png" difficulty="" projectPath="" name="A Framework for the Multiscreen World" isVideo="true" videoUrl="https://www.youtube.com/watch?v=qJpuG7fWh98" videoLength="52:36">
-      <description><![CDATA[Developing applications for the automotive industry.]]></description>
+      <description><![CDATA[Supporting desktop and embedded platforms from the same source.]]></description>
-      <tags>qt quick,qml,automotive</tags>
+      <tags>qt,qml,c++,embedded</tags>
     </tutorial>
     </tutorials>
 </instructionals>