added information for Avro decoders
added information for Avro decoders with the CLI app
created hyperlinks for Trifecta UI sections
Merge branch 'feature/web_ui' into scala_2.11

* feature/web_ui:
  created hyperlinks for Trifecta UI sections
  added information for Avro decoders with the CLI app
  added information for Avro decoders