Log Message:
Update to Botan 1.11.29:
- CVE-2016-2849: side channel attack against DSA and ECDSA
- CVE-2016-2850: failure to enforce TLS policies could lead to weaker
  algorithms being choosen
- CVE-2016-2195: heap overflow in ECC point decoding
- CVE-2016-2196: heap overflow in P-521 reduction
- CVE-2016-2194: DOS against the modular reduction
- CVE-2015-7824: padding oracle attack against TLS CBC
- CVE-2015-7825: DOS due to certificate chains
- CVE-2015-7826: wildcard certifications verification failures
- CVE-2015-7827: protection against PKCS#1 side channel issues
- CVE-2015-5726: potential DOS with invalid zero-length BER
- CVE-2015-5727: unbound memory use with BER
- deprecation or removal of various insecure crypto primitives
- TLS heartbeat removed
- various other bugfixes and improvements.