Upgrade to openssl-1.0.0a

- Updated README.android
- Updated openssl.version
- Ran ./import_openssl.sh import .../openssl-1.0.0a.tar.gz
  (which is responsible for the rest of the changes)

Change-Id: I3214fb8cb5297d68edc7632bbd9027952fec559b
diff --git a/ssl/ssl_algs.c b/ssl/ssl_algs.c
index a26ae43..0967b2d 100644
--- a/ssl/ssl_algs.c
+++ b/ssl/ssl_algs.c
@@ -105,6 +105,14 @@
 	EVP_add_digest_alias(SN_sha1,"ssl3-sha1");
 	EVP_add_digest_alias(SN_sha1WithRSAEncryption,SN_sha1WithRSA);
 #endif
+#ifndef OPENSSL_NO_SHA256
+	EVP_add_digest(EVP_sha224());
+	EVP_add_digest(EVP_sha256());
+#endif
+#ifndef OPENSSL_NO_SHA512
+	EVP_add_digest(EVP_sha384());
+	EVP_add_digest(EVP_sha512());
+#endif
 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_DSA)
 	EVP_add_digest(EVP_dss1()); /* DSA with sha1 */
 	EVP_add_digest_alias(SN_dsaWithSHA1,SN_dsaWithSHA1_2);