Add NetSurf project libraries.

These were part of etSurf before, but they are now (in netsurf git) distributed as separate libs, which the browser depends on.

dev-libs/libcss/libcss-0.1.2.bep

@@ -0,0 +1,20 @@
+DESCRIPTION="LibCSS is a CSS (Cascading Style Sheet) parser and selection engine" 
+HOMEPAGE="http://www.netsurf-browser.org/projects/libcss/" 
+SRC_URI="http://download.netsurf-browser.org/libs/releases/libcss-0.1.2-src.tar.gz"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND="dev-libs/libparserutils >= 0.1.1"
+
+BUILD {
+	cd libcss-0.1.2
+	make
+}
+
+INSTALL {
+	cd libcss-0.1.2
+	make install
+}
+
+LICENSE="MIT
+	GNU GPL v2"
+COPYRIGHT="2003 - 2012 The NetSurf Developers"