[xmlsec] New xmlsec 1.2.27 release

[Aleksey Sanin]

The XML Security Library 1.2.27 release includes the following changes:

* Added AES-GCM support for OpenSSL and MSCNG (snargit).
* Added DSA-SHA256 and ECDSA-SHA384 support for NSS (vmiklos).
* Added RSA-OAEP support for MSCNG (vmiklos).
* Continuous build integration in Travis and Appveyor.
* Several other small fixes 
(https://github.com/lsh123/xmlsec/commits/master)

You can find the new release in the usual place:

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

Thanks to everyone who contributed patches and filed bugs!


Best,

Aleksey Sanin