Merge pull request #814 from uberhacker/add-lcms-package

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_sha256 '66d02b229d2ea9474e62c2b6cd6720fde946155cd1d0d2bffdab829790a0fb22'
+
+  def self.build
+    system './configure'
+    system 'make'
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end