Dutch language update
 - 182 strings left
 - 100 fuzzy strings left

Added: Zones unfill in polygon mode

Component and library selection color to white (same as eagle), some strings fine tuned and made translatable, dutch translation update, gerbview zoomfit on start

* 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.

solved some problems in hotkeys files access when spaces are used in names, and udtated paths according to the new tree used in kicad
Added wxWidgets version in about dialog

pcbnew: Excellon files use only ascii codes in comments (some excellon parsers do not like I18n)

removed GPC library due to its unacceptable license. Using the great and powerfull kbool library insteed

Fixed all related files also.

* MinGWResourceCompiler: change output directory and name of compiled resource file (old resource object files have to be deleted manually, eg. cvpcb/cvpcb_rc.o since the 'make clean' target does not remove them).
* Add some comments.