+ Added rails style paths to default mappings.
+ Added --port flag, to reassign the DRb port.
- Fixed DRb URI to bind to both IPv4 & v6 so you don't wind up with silent failures.
+ Added port bind error handling so you know of the port conflict.

[git-p4: depot-paths = "//src/minitest-autotest/dev/": change = 9495]