Add cpustat (0.02.01) package

cpustat periodically dumps out the current CPU utilisation statistics of running processes. cpustat also includes some simple statistical analysis options that can help characterise the way CPUs are being loaded.

Tested as working properly on Samsung XE50013-K01US.

packages/cpustat.rb

+require 'package'
+
+class Cpustat < Package
+  version '0.02.01'
+  source_url 'http://kernel.ubuntu.com/~cking/tarballs/cpustat/cpustat-0.02.01.tar.gz'
+  source_sha1 '0eca37a1c6e1282b05be51fc2dd1dac72875112d'
+
+  depends_on "ncurses"
+
+  def self.build
+    system "sed -i 's,/usr,/usr/local,g' Makefile"
+    system "sed -i '/^CFLAGS += -Wall/s/$/ -I\\/usr\\/local\\/include\\/ncurses/' Makefile"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end