Doc: Fixed link to the "Getting Started with Qt" from platforms' pages.

-Placed the link higher because the page discusses downloading and
installation.

Change-Id: I67449549cb419bc845c691f06a4c45fbb2ddee7d
Reviewed-by: Martin Smith <martin.smith@digia.com>

doc/src/platforms/supported-platforms.qdoc

@@ -43,6 +43,7 @@
     \section1 Getting Started on Windows
 
     \list
+        \li \l{Getting Started with Qt}
         \li \l{Supported Platforms}{Supported Windows platforms} - Qt
         supports a wide range of Windows platforms.
         \li \l{Qt for Windows Requirements}{Qt for Windows Requirements}
@@ -51,7 +52,6 @@
         - Build Qt for Windows development.
         \li \l{Platform and Compiler Notes - Windows}{Platform and Compiler Notes - Windows}
         - Windows platform specific notes.
-        \li \l{Getting Started Guides}{Getting started} - Getting started developing for Windows
     \endlist
 
     \section1 Key Features for Windows Development
@@ -129,6 +129,7 @@
     \section1 Getting Started on Linux/X11
 
     \list
+        \li \l{Getting Started with Qt}
         \li \l{Supported Platforms}{Supported Linux/X11 platforms} - Qt
         supports a wide range of Linux/X11 platforms.
         \li \l{Qt for X11 Requirements}{Qt for X11 Requirements}
@@ -137,7 +138,6 @@
         - Build Qt for Linux/X11 development.
         \li \l{Platform and Compiler Notes - X11}{Platform and Compiler Notes - X11}
         - Platform specific notes.
-        \li \l{Getting Started Guides}{Getting started}
     \endlist
 
     \section1 Key Features for Linux/X11 Development
@@ -218,6 +218,7 @@
      \section1 Getting Started on Mac
 
     \list
+        \li \l{Getting Started with Qt}
         \li \l{Supported Platforms}{Supported Mac OS X platforms} - Qt supports
         a wide range of Mac platform variants.
         \li \l{Qt for Mac OS X Requirements}{Qt for Mac OS X Requirements}
@@ -226,7 +227,6 @@
         - Build Qt for Mac OS X development.
         \li \l{Platform and Compiler Notes - Mac OS X}{Platform and Compiler Notes - Mac OS X}
         - Platform specific notes.
-        \li \l{Getting Started Guides}{Getting started}
     \endlist
 
      \section1 Key Features for Mac OS X Development