Merge pull request #903 from ddurnev/master

[RJA-xxx][fix]: fixed cucumber tests settings: use non-default akka port
[RJA-1778] [feature] - Extensibility of Genesis UI
[RJA-1778] [feature] - Extensibility of Genesis UI
Merge pull request #904 from rsvato/master

[RJA-1778] [feature] - Extensibility of Genesis UI
[RJA-2079][fix]: Trivial step executor step type fixed