Godaddy improvements - round 1

This is the first batch of improvements based on #52.

 - Pull model description from ctor.settings first
 - route-helper: include `notes` and `deprecated`
 - Extend `consumes` and `produces` metadata
 - Use `1.0.0` as the default app version

The XML supports requires https://github.com/strongloop/strong-remoting/pull/111. When running against an older version, the operation fails with "HTTP Error 406 Not acceptable", which is reasonable.

/to @raymondfeng or @STRML please review. The changes are pretty trivial.