veyron/services/identity: Add revocation timestamps and buttons to identity server UI.

This change is dependent on https://veyron-review.googlesource.com/#/c/4183

This is what the UI looks like for a failed revocation: https://screenshot.googleplex.com/bMKno7uO1s.png.
Revoked identities display the timestamp at which they were revoked.

Change-Id: I7f0274849468e5c26110473fbfb11561186276e8
3 files changed
tree: 3f6429fd3adc0b7fd1133c3c6ad41bf87dd2b95f
  1. examples/
  2. lib/
  3. profiles/
  4. runtimes/
  5. security/
  6. services/
  7. tools/