* Update GentiumPlus to 1.508
* Update build to latest standards

	deleted:    fonts/font_ttf_gentium/GentiumPlus-1.504-slackware.patch.xz
	modified:   fonts/font_ttf_gentium/font_ttf_gentium.build
* Update Fixedsys Excelsior to 3.01.

	modified:   fonts/font_ttf_excelsior/font_ttf_excelsior.build