Doc: separate extension plugins for Qt Quick 1 and 2

Task-number: QTCREATORBUG-8269

Change-Id: I83dbfa1eb12405c6d9e4609669ecef165b348cf2
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

doc/src/projects/creator-projects-creating.qdoc

@@ -120,15 +120,15 @@
                 custom look and feel and QML and C++ code to implement the
                 application logic
 
-            \o  Qt Quick Application for MeeGo Harmattan
+            \o  Qt Quick 1 Application for MeeGo Harmattan
 
                 Use Qt Quick Components for MeeGo Harmattan to design a user
                 interface with the platform look and feel
 
-            \o  Qt Quick Application (from Existing QML File)
+            \o  Qt Quick 1 Application (from Existing QML File)
 
-                Convert existing QML applications to projects that you can run
-                in \QC or deploy to mobile devices
+                Convert existing Qt Quick 1 applications to projects that you
+                can run in \QC or deploy to mobile devices
 
             \o  Qt Console Application
 
@@ -158,12 +158,18 @@
 
                 Shared or static C++ library based on qmake
 
-            \o  Custom QML Extension Plugin
+            \o  Qt Quick 1 Extension Plugin
 
-                C++ plugin that makes it possible to offer extensions
-                that can be loaded dynamically into applications by using the
+                C++ plugin that makes it possible to offer extensions that can
+                be loaded dynamically into Qt Quick 1 applications by using the
                 QDeclarativeEngine class
 
+            \o  Qt Quick 2 Extension Plugin
+
+                C++ plugin that makes it possible to offer extensions that can
+                be loaded dynamically into Qt Quick 2 applications by using the
+                QQmlEngine class
+
             \o  \QC Plugin
 
 

doc/src/qtquick/qtquick-creating.qdoc

@@ -64,15 +64,17 @@
             need to have the development environment installed on your
             computer to create and run this type of projects.
 
-        \o  \gui {Qt Quick Application (from Existing QML File)} converts
-            existing QML applications to Qt Quick application projects. This
-            enables you to run them from \QC and to deploy them to mobile
+        \o  \gui {Qt Quick 1 Application (from Existing QML File)} converts
+            existing Qt Quick 1 applications to Qt Quick application projects.
+            This enables you to run them from \QC and to deploy them to mobile
             devices.
 
-        \o  \gui {Custom QML Extension Plugin} (in the \gui Libraries category)
-            creates a C++ plugin that makes
-            it possible to offer extensions that can be loaded dynamically into
-            applications by using the QDeclarativeEngine class.
+        \o  \gui {Qt Quick Extension Plugins} (in the \gui Libraries category)
+            create C++ plugins that make it possible to offer extensions that
+            can be loaded dynamically into Qt Quick applications. Select
+            \gui {Qt Quick 1 Extension Plugin} to create extensions for
+            Qt Quick 1 applications and \gui {Qt Quick 2 Extension Plugin} to
+            create extensions for Qt Quick 2 applications.
 
     \endlist