Avro release 1.7.7

I'd like to announce the availability of Avro release 1.7.7.

Changes are listed at:

http://s.apache.org/avro177

This release can be downloaded from:

https://www.apache.org/dyn/closer.cgi/avro/

Java jar files are available from Maven Central.
Ruby artifacts are at RubyGems.
Python is at PyPi.

Thanks to everyone for contributing!

Doug