Fix the handshake issue.

Update the version

Catch UnhandledRejections in the forwarding connection

Set version to 1.4.1

ClusterAdd: Fix the error message when default config doesn't exist

Repair tests

Set version to 1.3.0

ServiceForm autocompletes

Update ClustersAdd:

1) Update message for the sumbitted config
2) Hide bottom blocks for the sumbitted config