veyron/services/identity: Added extension to add caveats form for
identity server UI.

* Extensions will be of the form email/<formvalue>
* This is dependent on the switch to principals because old model does
  not allow extensions with '/' in them.

Change-Id: I131a20453c23b629761bca29e514751cb05dfb0b
2 files changed
tree: b536fd9fe3267e087f5a5782ce88076738e0bab8
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/