[xmlsec] New xmlsec 1.2.16 release

[Aleksey Sanin]

The new XML Security Library 1.2.16 release available at
the usual place:

    http://www.aleksey.com/xmlsec/download.html

This release includes the following changes:

     * New xmlsec-gcrypt library with support for most crypto
       operations.

     * xmlsec-gnutls: Added X509 support and converted the
       library to use xmlsec-gcrypt library for all crypto
       operations.

     * xmlsec-mscrypto: RSA/OAEP and AES/DES KW support.

     * Several minor bug fixes and code cleanups.


Thanks to everyone for the contribution, patches and bug reports!

Aleksey Sanin