Fast install and uninstall for SCRIPTS. * lib/am/scripts.am [%?INSTALL%]: Include inst-vars.am independent of `%?BASE%'. (install-%DIR%SCRIPTS): Install multiple scripts at once, using awk and a number of sed scripts. (uninstall-%DIR%SCRIPTS): Compute the installed names, and remove them, all at once. (%DIR%SCRIPT_INSTALL) [!BASE]: No need to use install-sh any more. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>