Add lcms package

packages/lcms.rb

+require 'package'
+
+class Lcms < Package
+  description 'Little CMS intends to be an OPEN SOURCE small-footprint color management engine, with special focus on accuracy and performance.'
+  homepage 'http://www.littlecms.com/'
+  version '2.8'
+  source_url 'https://downloads.sourceforge.net/project/lcms/lcms/2.8/lcms2-2.8.tar.gz'
+  source_sha1 'e9535ec4a572b8fc7a1c405c35e6f4dc97714197'
+
+  def self.build
+    system './configure'
+    system 'make'
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end