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/iana-etc/template

@@ -4,7 +4,6 @@ version=2.30
 distfiles="http://sethwklein.net/$pkgname-$version.tar.bz2"
 build_style=gnu_makefile
 make_build_args="STRIP=yes"
-make_install_args="DESTDIR=$XBPS_DESTDIR/$pkgname-$version"
 short_desc="Unix /etc/services and /etc/protocols files"
 maintainer="Juan RP <xtraeme@gmail.com>"
 checksum=b9a6874fb20012836efef75452ef2acae624022d680feeb1994d73facba3f20d