"veyron/tools/principal": Remove default expiry for fork

This CL changes the --for flag for the 'fork' command so
that unless the flag is specified the forked credentials
do not have any expiry caveats.

Change-Id: I911d77998078125a628fb289b5b1890fa6df0c10
1 file changed
tree: c2954dd2b8b14a53d941c18117b612cec6f80f5c
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/