Merge pull request #670 from Alanaktion/cmatrix

Adding cmatrix package

packages/cmatrix.rb

+require 'package'
+
+class Cmatrix < Package
+  version '1.2a'
+  source_url 'http://www.asty.org/cmatrix/dist/cmatrix-1.2a.tar.gz'
+  source_sha1 'ca078c10322a47e327f07a44c9a42b52eab5ad93'
+
+  depends_on 'buildessential'
+  depends_on 'ncurses'
+
+  def self.build
+    system './configure --prefix=/usr/local CPPFLAGS="-I/usr/local/include/ncurses"'
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end