Add a2ps and gperf

packages/a2ps.rb

+require "package"
+
+class A2ps < Package
+  version "4.14"
+  source_url "http://ftp.gnu.org/gnu/a2ps/a2ps-4.14.tar.gz"
+  source_sha1 "365abbbe4b7128bf70dad16d06e23c5701874852"
+
+  depends_on "gperf"
+  depends_on "filecmd"
+
+  def self.build
+    system "./configure"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end
+

packages/gperf.rb

+require "package"
+
+class Gperf < Package
+  version "3.0.4"
+  source_url "http://ftp.gnu.org/pub/gnu/gperf/gperf-3.0.4.tar.gz"
+  source_sha1 "e32d4aff8f0c730c9a56554377b2c6d82d0951b8"
+
+  def self.build
+    system "./configure"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end
+