veyron/services/identity: Implemented sql auditor.

* This has been successfully tested with a local mysql server instance.
* Before deployment a cloudsql instance will have to be created and the
  connection information will need to be in a json file and passed in via
  the audit_config flag.

Change-Id: I3c948f758890c06bbd8233e0193e1729ec6bfd29
8 files changed
tree: f6974c3b30d6004b71f837e6078a152194317820
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/