Kar

+ Implement a Reactive Java SDK using Quarkus
+ Add a retry loop around failed redis connection attempts (163)
+ Also allow controlling sidecar ports via envvar (153)
+ Move from alpine 3.11 to 3.14 for sidecar/webhook images (151)
+ Fixup kafka-bench and re-enable building it. (150)

+ Upgrade to zookeeper 3.6 and kafka 2.7 (146)
+ Upgrade to use Redis 6 (145)
+ Implement cancellation of actor calls from dead sidecars (144)

+ Simplify Java SDK initialization (139)

+ Restructure of Java SDK internals and new maven artifact names
+ Add Prometheus metrics endpoint to sidecar

+ Use factory to create JsonObjectBuilder and JsonArrayBuilder instances (126)
+ Update to kind 0.11.1 (125)
+ Rationalize concurrency controls for Java actor runtime (123)

+ Support for general multi-element Actor state updates (117)
+ Optimize submap operations by using HSCAN (115, 114, 112)
+ Default to Kubernetes 1.20 on kind (110)
+ Ignore docker network connect error (109)
+ Always add docker registry to kind network (107)
+ Allow millisecond granularity periods for reminders (105)