* SECURITY UPDATE: signature forgery issue
  - debian/patches/CVE-2015-0282.patch: make sure the signature
    algorithms match in lib/gnutls_algorithms.c, lib/gnutls_algorithms.h,
    lib/x509/privkey.c, lib/x509/verify.c, lib/x509/x509.c,
    lib/x509/x509_int.h.
  - CVE-2015-0282
* SECURITY UPDATE: certificate algorithm consistency issue
  - debian/patches/CVE-2015-0294.patch: make sure the two signature
    algorithms match on cert import in lib/x509/x509.c.
  - CVE-2015-0294
* SECURITY UPDATE: missing date/time checks on CA certificates
  - debian/patches/CVE-2014-8155.patch: perform time verification on
    trusted certificate list in lib/includes/gnutls/x509.h,
    lib/x509/verify.c.
  - CVE-2014-8155