Moving the google-internal security code in their own files.
Checked that the opensource version still builds.

Just addressing core for now. We will do c++ later.
	Change on 2015/01/12 by jboeuf <jboeuf@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=83804014
diff --git a/build.json b/build.json
index ee92033..659b24d 100644
--- a/build.json
+++ b/build.json
@@ -257,6 +257,7 @@
         "src/core/security/auth.c",
         "src/core/security/base64.c",
         "src/core/security/credentials.c",
+        "src/core/security/factories.c",
         "src/core/security/google_root_certs.c",
         "src/core/security/json_token.c",
         "src/core/security/secure_endpoint.c",