Add pagein package

Pagein is a tool that forces pages that are in swap to be paged in back to
memory.

Tested as working on XE500C13-K01US.

packages/pagein.rb

+require 'package'
+
+class Pagein < Package
+  description 'Pagein is a tool that forces pages that are in swap to be paged in back to memory.'
+  homepage 'http://kernel.ubuntu.com/~cking/pagein/'
+  version '0.00.05'
+  source_url 'http://kernel.ubuntu.com/~cking/tarballs/pagein/pagein-0.00.05.tar.gz'
+  source_sha256 '3f81409f6227887212083c585abf5143a082dde2bbcab1d2ae8c74b6d294e8b3'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  def self.build
+    system 'make',
+      "BINDIR=#{CREW_PREFIX}/bin",
+      "MANDIR=#{CREW_PREFIX}/share/man/man1"
+  end
+
+  def self.install
+    system 'make',
+      "DESTDIR=#{CREW_DEST_DIR}",
+      "BINDIR=#{CREW_PREFIX}/bin",
+      "MANDIR=#{CREW_PREFIX}/share/man/man1",
+      'install'
+  end
+end