* Add libwmf to optional dependencies

	modified:   graphics/gimp/gimp.build
	modified:   graphics/graphicsmagick/graphicsmagick.build
* Update xkeyboard-config to 2.8
* Update build to the latest standards

	modified:   xorg/xkeyboard_config/xkeyboard_config.build
* Update libxklavier to 5.3
* Update build to latest standards

	modified:   libs_toolkit/libxklavier/libxklavier.build