Add package for openssl, have postgres use it.

- Updated version wildcard to include [a-z]|alpha|beta
  to accommodate all the letter suffixes on openssl.

var/spack/packages/openssl/package.py

@@ -0,0 +1,26 @@
+from spack import *
+
+class Openssl(Package):
+    """The OpenSSL Project is a collaborative effort to develop a
+       robust, commercial-grade, full-featured, and Open Source
+       toolkit implementing the Secure Sockets Layer (SSL v2/v3) and
+       Transport Layer Security (TLS v1) protocols as well as a
+       full-strength general purpose cryptography library."""
+    homepage = "http://www.openssl.org"
+    url      = "http://www.openssl.org/source/openssl-1.0.1h.tar.gz"
+
+    version('1.0.1h', '8d6d684a9430d5cc98a62a5d8fbda8cf')
+
+    depends_on("zlib")
+    parallel = False
+
+    def install(self, spec, prefix):
+        config = Executable("./config")
+        config("--prefix=%s" % prefix,
+               "--openssldir=%s/etc/openssl" % prefix,
+               "zlib",
+               "no-krb5",
+               "shared")
+
+        make()
+        make("install")

var/spack/packages/postgresql/package.py

@@ -11,11 +11,11 @@ class Postgresql(Package):
 
     version('9.3.4', 'd0a41f54c377b2d2fab4a003b0dac762')
 
-    def install(self, spec, prefix):
-        # FIXME: Modify the configure line to suit your build system here.
-        configure("--prefix=%s" % prefix)
+    depends_on("openssl")
 
-        # FIXME: Add logic to build and install here
+    def install(self, spec, prefix):
+        configure("--prefix=%s" % prefix,
+                  "--with-openssl")
         make()
         make("install")