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/ncurses/ncurses.sh

@@ -1,18 +0,0 @@
-#!/bin/sh
-PORT_DIR=ncurses
-INSTALLOPTS="DESTDIR=$SERENITY_ROOT/Root/"
-
-fetch() {
-    run_fetch_git "https://github.com/mirror/ncurses.git"
-    run_patch allow-serenity-os-ncurses.patch -p1
-}
-configure() {
-    run_configure_autotools
-}
-build() {
-    run_make
-}
-install() {
-    run_make_install
-}
-. ../.port_include.sh

Ports/ncurses/package.sh

@@ -0,0 +1,7 @@
+#!/bin/bash ../.port_include.sh
+port=ncurses
+version=git
+workdir=ncurses-master
+useconfigure=true
+curlopts="-L"
+files="https://github.com/mirror/ncurses/archive/master.tar.gz ncurses-git.tar.gz"