* Require CMake version 2.6.1 on Windows and version 2.6.0 for other systems.
* Update FindSubversion to version from CMake 2.6.1 (localization issue solved).
* Remove FindwxWidgetsCVS and use the default one (some issues solved upstream).
* Formatting style changes.
This allows you to install only specific components (i.e. binaries, resources, doc files in specific languages), particularly useful for package mainatiners.
Default install will work as before (i.e. install everything).