Add hdf5 and its dep, szip.

Formula/hdf5.rb

@@ -0,0 +1,14 @@
+require 'formula'
+
+class Hdf5 <Formula
+  url 'http://www.hdfgroup.org/ftp/HDF5/current/src/hdf5-1.8.4.tar.bz2'
+  homepage 'http://www.hdfgroup.org/HDF5/'
+  md5 'c13599cfff871948f4d00e19ac410b86'
+
+  depends_on 'szip'
+
+  def install
+    system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
+    system "make install"
+  end
+end

Formula/szip.rb

@@ -0,0 +1,12 @@
+require 'formula'
+
+class Szip <Formula
+  url 'http://www.hdfgroup.org/ftp/lib-external/szip/2.1/src/szip-2.1.tar.gz'
+  homepage 'http://www.hdfgroup.org/HDF5/release/obtain5.html#extlibs'
+  md5 '1e0621efa66c2e1b07d7659703df5ea8'
+
+  def install
+    system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
+    system "make install"
+  end
+end