move Default Welcome RVD message to configuration file

[croufay]

the default message is current here and should be move to a configuration file so that white labeling could be easier.

Restcomm-Connect/restcomm/restcomm.rvd/src/main/java/org/restcomm/connect/rvd/model/client/ProjectState.java

Line 38 in 4cb3186

SayStep step = SayStep.createDefault("step1", "Welcome to Telestax Restcom Visual Designer Demo");

[gsaslis]

Looks like this should be moved over to https://github.com/RestComm/visual-designer ?

[deruelle]

@gsaslis yes @otsakir can you take care of this ?

[otsakir]

Issue moved to RestComm/visual-designer #159 via ZenHub