Ports: Switch to new ports system (#594)

Much redundancy is removed from package scripts with this system.
It also supports simple dependency management, uninstalling (through
BSD ports style plist files), cleaning up after itself (with clean,
clean_dist, clean_all commands), etc.

Ports/less/less.sh

@@ -1,17 +0,0 @@
-#!/bin/sh
-PORT_DIR=less
-INSTALLOPTS="DESTDIR=$SERENITY_ROOT/Root/"
-
-fetch() {
-    run_fetch_web "http://ftp.gnu.org/gnu/less/less-530.tar.gz"
-}
-configure() {
-    run_configure_autotools
-}
-build() {
-    run_make
-}
-install() {
-    run_make_install
-}
-. ../.port_include.sh

Ports/less/package.sh

@@ -0,0 +1,6 @@
+#!/bin/bash ../.port_include.sh
+port=less
+version=530
+useconfigure="true"
+files="http://ftp.gnu.org/gnu/less/less-530.tar.gz less-530.tar.gz"
+depends="ncurses"