Add sluice (0.02.06) package

Sluice is a program that reads input on stdin and outputs on stdout at a specified data rate.

Tested as working properly on Samsung XE50013-K01US.

packages/sluice.rb

+require 'package'
+
+class Sluice < Package
+  version '0.02.06'
+  source_url 'http://kernel.ubuntu.com/~cking/tarballs/sluice/sluice-0.02.06.tar.gz'
+  source_sha1 'c1afc98790147c2c48bc5675de8352812b4f1fea'
+
+  def self.build
+    system "sed -i 's,/usr,/usr/local,g' Makefile"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end