Doc: Edited list of UI topics in the User Interface page.

-list should be the same as the one from the QML Application Developer
Resources page.
-the use case pages are a better fit than the concept pages because
they cover more than just Qt Quick.

Change-Id: Icb09349cc1490fa0b5157c9983d09baae55d9a68
Reviewed-by: Martin Smith <martin.smith@digia.com>

doc/src/userinterfaces.qdoc

@@ -54,17 +54,16 @@ Animation and transition effects are a first class concept in Qt Quick and
 visual effects can be supplemented through specialized components for particle
 and shader effects.
 
-\section2 Important Concepts in Qt Quick
+\section2 Important UI Topics for QML Applications
 
 \list
-\li \l{qtquick-visualcanvas-topic.html}{The Visual Canvas}
-\li \l{qtquick-input-topic.html}{User Input}
-\li \l{qtquick-positioning-topic.html}{Positioning}
-\li \l{qtquick-statesanimations-topic.html}{States, Transitions and Animations}
-\li \l{qtquick-modelviewsdata-topic.html}{Data - Models, Views and Data Storage}
-\li \l{qtquick-effects-topic.html}{Particles and Graphical Effects}
-\li \l{qtquick-convenience-topic.html}{Convenience Types}
-\li \l{qtquick-internationalization.html}{Internationalization and Localization}
+\li \l{qtquick-usecase-visual.html}{Visual types in QML}
+\li \l{qtquick-usecase-userinput.html}{Responding to User Input in QML}
+\li \l{qtquick-usecase-animations.html}{Animations in QML}
+\li \l{qtquick-usecase-text.html}{Displaying Text in QML}
+\li \l{qtquick-usecase-layouts.html}{Layouts in QML}
+\li \l{qtquick-usecase-styling.html}{Style and Theme Support}
+\li \l{qtquick-usecase-integratingjs.html}{Integrating JavaScript in QML}
 \endlist
 
 \section2 Graphical Controls