Added support for protobuf enum fields
Disabled workaround for ceon artifactory problem
Import tree-structured parsed references
"Class" always with type parameter
Pig UDF converting pig tuples to protocl buffers messages
Merge branch 'master' of git://github.com/CeON/CoAnSys
Merge pull request #83 from acz-icm/master

Pig tuple to protocol buffers converter (UDF)