Minor corrects in the 3.0 changelog
Minor corrects in the 3.0 changelog

film42/protobuf,zanker/protobuf,lookout/protobuffy,lookout/protobuffy,localshred/protobuf,brianstien/protobuf,localshred/protobuf,film42/protobuf,ruby-protobuf/protobuf,brianstien/protobuf,zanker/protobuf,quixoten/protobuf,ruby-protobuf/protobuf,quixoten/protobuf