Version 1.11.16, 2015-03-29
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* TLS has changed from using the non-standard NPN extension to the IETF
  standardized ALPN extension for negotiating an application-level protocol.
  Unfortunately the semantics of the exchange have changed with ALPN. Using
  NPN, the server offered a list of protocols it advertised, and then the
  client chose its favorite. With ALPN, the client offers a list of protocols
  and the server chooses. The the signatures of both the TLS::Client and
  TLS::Server constructors have changed to support this new flow.

* Optimized ECDSA signature verification thanks to an observation by
  Dr. Falko Strenzke. On some systems verifications are between 1.5
  and 2 times faster than in 1.11.15.

* RSA encrypt and decrypt operations using OpenSSL have been added.

* Public key operation types now handle all aspects of the operation,
  such as hashing and padding for signatures. This change allows
  supporting specialized implementations which only support particular
  padding types.

* Added global timeout to HMAC_RNG entropy reseed. The defaults are
  the values set in the build.h macros `BOTAN_RNG_AUTO_RESEED_TIMEOUT`
  and `BOTAN_RNG_RESEED_DEFAULT_TIMEOUT`, but can be overriden
  on a specific poll with the new API call reseed_with_timeout.

* Fixed Python cipher update_granularity() and default_nonce_length()
  functions

* The library now builds on Visual C++ 2013

* The GCM update granularity was reduced from 4096 to 16 bytes.

* Fix a bug that prevented building the amalgamation until a non-amalgamation
  configuration was performed first in the same directory.

* Add Travis CI integration. Github pull 60.