v2.0.0

• Added support for Scala 2.13 and dropped support for Scala 2.11
• GenCodec creates a List instead of Vector when deserializing scala.collection.Seq or scala.collection.immutable.Seq #76
• commons-annotations module removed, annotations moved to commons-core
• removed commons-rest, commons-akka and commons-kafka
• AnnotationAggregate redesigned to use aggregated method rather than dummy type member
• aliases for Annotation and StaticAnnotation in CommonAliases
• Async moved from RawRest into concurrent package
• declareSize, sizePolicy for Outputs and knownSize for Inputs