Changes for Qt/CE 4.3.x "Feierabend" release.

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*                           Features                                       *

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- Added precompiled platform tools to package

- Added/Updated documentation

- Added/Updated examples

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*                           Bug fixes                                      *

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- cetest

   * cleanup directory hierarchy in case user specified.

   * fixed libpath option which was not case-insensitive.

- configure.exe

   * fixed order of c-runtime deployment.

   * fixed --(xy)prefix options to work in Windows Command Prompt.

- QDesktopWidget

   * fixed SIP handling bug.

- QFeatures

   * fixed custom configuration build issues.

- QFileDialog

   * updated UI to fit on embedded screen.

   * in case no native dialog exists on device, use Qt FileDialog instead.

   * fixed file extension bug.

- QFSFileEngine

   * workaround for Windows Mobile for taking MAX_PATH not into account.

- QGraphicsView

   * fixed bug when qreal is not double.

- QLibraryInfo

   * fixed legacy bug about not finding the plugins path.

- QSysInfo

   * added Windows CE 6.

- QWidget

   * fixed potential minimize/maximize bug.

- QPaintEngine

   * detect bitdepth on startup and create 16bit buffers, if possible.