- Removed redundant qdoc pages on supported
platforms, getting source, and building from source.
- Added a module page to list the C++ classes
- Removed unnecessary \module commands in several pages
- Made a few language edits to class documentation
- Updated the index page with some introductory content
- Fixed broken links to the examples

Change-Id: Ia7bd74b383f344426814db736f7bc4cd77c13992
Reviewed-by: Laszlo Papp <lpapp@kde.org>