Re-add redland

Closes Homebrew/homebrew#10985.

Formula/redland.rb

@@ -0,0 +1,23 @@
+require 'formula'
+
+class Redland < Formula
+  url 'http://download.librdf.org/source/redland-1.0.15.tar.gz'
+  homepage 'http://librdf.org/'
+  md5 'b0deb87f3c7d3237a3d587c1e0f2f266'
+
+  depends_on 'pkg-config' => :build
+  depends_on 'raptor'
+  depends_on 'rasqal'
+  depends_on 'berkeley-db' => :optional
+
+  fails_with_llvm :build => 2334
+
+  def install
+    system "./configure", "--disable-debug", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}",
+                          "--with-sqlite=yes",
+                          "--with-mysql=no",
+                          "--with-bdb=#{HOMEBREW_PREFIX}"
+    system "make install"
+  end
+end