* Prep 0.4 (#62)
* squash big refactor
* clean TwinInitializer
* review tests
* add payload sample
* add avro
* add memmon proto
* sync with ux
* upd links for ux
* samples not packagable
* review packable
* clean up
* clean pnp comments
* fix unit tests
* fix cmd response binder
* add proto unit tests
* review generic ack
* Validate 0.4 (#64)
* review packable
* clean up
* clean pnp comments
* fix unit tests
* fix cmd response binder
* add proto unit tests
* review generic ack
* clean ns
* init properties
* rm cert keys
* run integration tests in ci
* review ack versions
* resolve protos
* add default version to hub wp
* add unit test for wp version init value
* add default version to hub wp
* add unit test for wp version init value