Adding Mono Package

packages/mono.rb

+require 'package'
+
+class Mono < Package
+  version '4.4.0.148'
+  source_url 'http://download.mono-project.com/sources/mono/mono-4.4.0.148.tar.bz2'
+  source_sha1 '09eb17ee5b686136436c385e18495630381933f8'
+
+  def self.build
+    system "./configure","--disable-dependency-tracking","--disable-silent-rules","--enable-nls=no","prefix=#{CREW_DEST_DIR}/usr/local"
+    system "make"
+  end
+
+  def self.install
+    system "make", "PREFIX=#{CREW_DEST_DIR}/usr/local", "install"
+  end
+end
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