Install all packages via DESTDIR var and not prefix.

This removes many assignments that were needed before, and fixes
some packages to install its manpage/info files.

--HG--
extra : convert_revision : 5422f921ef81d089ed95ce0c52e5106ea10b2165

templates/udev/template

@@ -5,7 +5,6 @@ distfiles="
 http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev-${version}.tar.bz2"
 build_style=gnu_configure
 configure_args="--exec-prefix= --without-selinux"
-make_install_target="DESTDIR=$XBPS_DESTDIR/$pkgname-$version install"
 short_desc="A userspace implementation of devfs"
 maintainer="Juan RP <xtraeme@gmail.com>"
 checksum=6786a896146b12323d0ef31601dc23b6e5501762d7d61c475d09e405494c21df