the verify app man page didn't describe the usage of attime option
even though it was listed as a valid option in the -help message.
This patch fixes this omission.
Submitted by: "Victor B. Wagner" <vitus@cryptocom.ru>
Approved by: steve@openssl.org
Document/clarify use of some options and include details of GOST algorihthm
usage.
Ignore self issued certificates when checking path length constraints.
Duplicate OIDs in policy tree in case they are allocated.
Use anyPolicy from certificate cache and not current tree level.
