Added tracking for head block number and last irreversible block number in node and reporting node status in shutdown. GH #4903

Added passing in extra command args for cluster launch and passing extra flags for account creation. GH #4812

Add label to ctest tests. Create long running tests build kite configuration. Test script fix to properly handle wait method return value. Compute block finalizational timeout based upon producers cout.

Add sanity test for ensuring basic setup. Small test refactoring for initializing producer accounts. Add port availability check.