Add whois package

packages/whois.rb

+require 'package'
+
+class Whois < Package
+  description 'Intelligent WHOIS client'
+  homepage 'https://github.com/rfc1036/whois'
+  version '5.2.16'
+  source_url 'https://github.com/rfc1036/whois/archive/v5.2.16.tar.gz'
+  source_sha1 '1a5afb7363ef62de0565ae10cee7f0a42b6b260e'
+
+  def self.build
+    system "sed -i 's,prefix = /usr,prefix = /usr/local,' Makefile"
+    system "sed -i 's,prefix = /usr,prefix = /usr/local,' po/Makefile"
+    system "sed -i 's,/share/,/,g' Makefile"
+    system "sed -i 's,/share/,/,g' po/Makefile"
+    system "sed -i 's,/share/,/,g' config.h"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end