* acconfig.h configure.in: Check for Xft2.
* capplets/font/main.c capplets/font/Makefile.am
capplets/font/font-properties.glade: If XFt2 is present,
allow the user to control various font rendering attributes.
* gnome-settings-daemon/gnome-settings-xsettings.c:
Mirror the Xft rendering attributes from the font
capplet to XSETTINGS and Xrdb.
* schemas/Makefile.am schemas/desktop_gnome_font_rendering.schemas:
Add schemas for the new GConf settings.
