- rework verification schemes based on RFC 6125
  - add scheme names with RFC numbers, e.g. rfc2818...
  - fix scheme for ICAP, POP3, ACAP, NNTP - contrary to LDAP they allow
    wildcards in common name
  - fix scheme for SMTP, it is now the same as IMAP
  - add schemes for SNMP, syslog, netconf, GIST, SIP
- fix handling of anywhere wildcards:
  - www* now matches only www1,www2.. but not www
  - do not apply anywhere wildcard if hostname starts with xn--, e.g.
    IDNA names
- fix documentation for Utils::CERT_create
- change cipherlist to more secure
- add DH paramter and ECDH curve in default configuratio, so that
  forward secrecy is done by default
- write down all Changes from last time and release as 1.956
- fix some tests