Node SetupTask - "replaces" accepts non-String replacement content (numbers, booleans).
NodeExtension - "checkUrl" is always appended to "http://127.0.0.1:${ ext.portNumber }"
NodeBaseTask - "ext.mongoDBPath" fix.
gp-97: Provide a way to setup application environment variables
Redis / Mongo support is invoked by any variable used, default ports are set.
Node plugin - all environment variables set are printed when application is started.